diff --git a/src/commands/debugAppInfosForCurrency.js b/src/commands/debugAppInfosForCurrency.js
index 8ba70516..dd576dda 100644
--- a/src/commands/debugAppInfosForCurrency.js
+++ b/src/commands/debugAppInfosForCurrency.js
@@ -1,10 +1,10 @@
 // @flow
 
 import { getCryptoCurrencyById } from '@ledgerhq/live-common/lib/currencies'
+import debugAppInfosForCurrency from '@ledgerhq/live-common/lib/hw/debugAppInfosForCurrency'
 import { createCommand, Command } from 'helpers/ipc'
 import { from } from 'rxjs'
 import { withDevice } from '@ledgerhq/live-common/lib/hw/deviceAccess'
-import debugAppInfosForCurrency from 'helpers/debugAppInfosForCurrency'
 
 type Input = {
   currencyId: string,
diff --git a/src/commands/getCurrentFirmware.js b/src/commands/getCurrentFirmware.js
deleted file mode 100644
index d4ae0c86..00000000
--- a/src/commands/getCurrentFirmware.js
+++ /dev/null
@@ -1,21 +0,0 @@
-// @flow
-
-import { createCommand, Command } from 'helpers/ipc'
-import { fromPromise } from 'rxjs/observable/fromPromise'
-
-import getCurrentFirmware from 'helpers/devices/getCurrentFirmware'
-import type { FinalFirmware } from 'helpers/types'
-
-type Input = {
-  deviceId: string | number,
-  fullVersion: string,
-  provider: number,
-}
-
-type Result = FinalFirmware
-
-const cmd: Command<Input, Result> = createCommand('getCurrentFirmware', data =>
-  fromPromise(getCurrentFirmware(data)),
-)
-
-export default cmd
diff --git a/src/commands/getDeviceInfo.js b/src/commands/getDeviceInfo.js
index 22135389..a0529571 100644
--- a/src/commands/getDeviceInfo.js
+++ b/src/commands/getDeviceInfo.js
@@ -3,9 +3,8 @@
 import { createCommand, Command } from 'helpers/ipc'
 import { from } from 'rxjs'
 import { withDevice } from '@ledgerhq/live-common/lib/hw/deviceAccess'
-
-import getDeviceInfo from 'helpers/devices/getDeviceInfo'
-import type { DeviceInfo } from 'helpers/types'
+import getDeviceInfo from '@ledgerhq/live-common/lib/hw/getDeviceInfo'
+import type { DeviceInfo } from '@ledgerhq/live-common/lib/types/manager'
 
 type Input = {
   devicePath: string,
diff --git a/src/commands/getIsGenuine.js b/src/commands/getIsGenuine.js
index 406d7cac..edc357e1 100644
--- a/src/commands/getIsGenuine.js
+++ b/src/commands/getIsGenuine.js
@@ -1,11 +1,12 @@
 // @flow
 
 import { createCommand, Command } from 'helpers/ipc'
-import { from } from 'rxjs'
-import type { DeviceInfo } from 'helpers/types'
-
-import getIsGenuine from 'helpers/devices/getIsGenuine'
+import { of } from 'rxjs'
+import { delay } from 'rxjs/operators'
+import genuineCheck from '@ledgerhq/live-common/lib/hw/genuineCheck'
 import { withDevice } from '@ledgerhq/live-common/lib/hw/deviceAccess'
+import type { DeviceInfo } from '@ledgerhq/live-common/lib/types/manager'
+import { SKIP_GENUINE } from 'config/constants'
 
 type Input = {
   devicePath: string,
@@ -14,7 +15,10 @@ type Input = {
 type Result = string
 
 const cmd: Command<Input, Result> = createCommand('getIsGenuine', ({ devicePath, deviceInfo }) =>
-  withDevice(devicePath)(transport => from(getIsGenuine(transport, deviceInfo))),
+  withDevice(devicePath)(
+    transport =>
+      SKIP_GENUINE ? of('0000').pipe(delay(1000)) : genuineCheck(transport, deviceInfo),
+  ),
 )
 
 export default cmd
diff --git a/src/commands/getMemInfo.js b/src/commands/getMemInfo.js
deleted file mode 100644
index acaf532f..00000000
--- a/src/commands/getMemInfo.js
+++ /dev/null
@@ -1,19 +0,0 @@
-// @flow
-
-import { createCommand, Command } from 'helpers/ipc'
-import { from } from 'rxjs'
-
-import { withDevice } from '@ledgerhq/live-common/lib/hw/deviceAccess'
-import getMemInfo from 'helpers/devices/getMemInfo'
-
-type Input = {
-  devicePath: string,
-}
-
-type Result = *
-
-const cmd: Command<Input, Result> = createCommand('getMemInfo', ({ devicePath }) =>
-  withDevice(devicePath)(transport => from(getMemInfo(transport))),
-)
-
-export default cmd
diff --git a/src/commands/index.js b/src/commands/index.js
index a55d2bb4..ac155d41 100644
--- a/src/commands/index.js
+++ b/src/commands/index.js
@@ -9,12 +9,9 @@ import firmwareMain from 'commands/firmwareMain'
 import firmwareRepair from 'commands/firmwareRepair'
 import getAddress from 'commands/getAddress'
 import getDeviceInfo from 'commands/getDeviceInfo'
-import getCurrentFirmware from 'commands/getCurrentFirmware'
 import getIsGenuine from 'commands/getIsGenuine'
 import getLatestFirmwareForDevice from 'commands/getLatestFirmwareForDevice'
-import getMemInfo from 'commands/getMemInfo'
 import installApp from 'commands/installApp'
-import isDashboardOpen from 'commands/isDashboardOpen'
 import killInternalProcess from 'commands/killInternalProcess'
 import libcoreGetFees from 'commands/libcoreGetFees'
 import libcoreGetVersion from 'commands/libcoreGetVersion'
@@ -23,9 +20,6 @@ import libcoreScanFromXPUB from 'commands/libcoreScanFromXPUB'
 import libcoreSignAndBroadcast from 'commands/libcoreSignAndBroadcast'
 import libcoreSyncAccount from 'commands/libcoreSyncAccount'
 import libcoreValidAddress from 'commands/libcoreValidAddress'
-import listApps from 'commands/listApps'
-import listAppVersions from 'commands/listAppVersions'
-import listCategories from 'commands/listCategories'
 import listenDevices from 'commands/listenDevices'
 import ping from 'commands/ping'
 import signTransaction from 'commands/signTransaction'
@@ -41,12 +35,9 @@ const all: Array<Command<any, any>> = [
   firmwareRepair,
   getAddress,
   getDeviceInfo,
-  getCurrentFirmware,
   getIsGenuine,
   getLatestFirmwareForDevice,
-  getMemInfo,
   installApp,
-  isDashboardOpen,
   killInternalProcess,
   libcoreGetFees,
   libcoreGetVersion,
@@ -55,9 +46,6 @@ const all: Array<Command<any, any>> = [
   libcoreSignAndBroadcast,
   libcoreSyncAccount,
   libcoreValidAddress,
-  listApps,
-  listAppVersions,
-  listCategories,
   listenDevices,
   ping,
   signTransaction,
diff --git a/src/commands/isDashboardOpen.js b/src/commands/isDashboardOpen.js
deleted file mode 100644
index ce9c48db..00000000
--- a/src/commands/isDashboardOpen.js
+++ /dev/null
@@ -1,19 +0,0 @@
-// @flow
-
-import { createCommand, Command } from 'helpers/ipc'
-import { from } from 'rxjs'
-import { withDevice } from '@ledgerhq/live-common/lib/hw/deviceAccess'
-
-import isDashboardOpen from '../helpers/devices/isDashboardOpen'
-
-type Input = {
-  devicePath: string,
-}
-
-type Result = boolean
-
-const cmd: Command<Input, Result> = createCommand('isDashboardOpen', ({ devicePath }) =>
-  withDevice(devicePath)(transport => from(isDashboardOpen(transport))),
-)
-
-export default cmd
diff --git a/src/commands/listAppVersions.js b/src/commands/listAppVersions.js
deleted file mode 100644
index a802b2c6..00000000
--- a/src/commands/listAppVersions.js
+++ /dev/null
@@ -1,15 +0,0 @@
-// @flow
-
-import { createCommand, Command } from 'helpers/ipc'
-import { fromPromise } from 'rxjs/observable/fromPromise'
-import type { DeviceInfo, ApplicationVersion } from 'helpers/types'
-
-import listAppVersions from 'helpers/apps/listAppVersions'
-
-type Result = Array<ApplicationVersion>
-
-const cmd: Command<DeviceInfo, Result> = createCommand('listAppVersions', deviceInfo =>
-  fromPromise(listAppVersions(deviceInfo)),
-)
-
-export default cmd
diff --git a/src/commands/listApps.js b/src/commands/listApps.js
deleted file mode 100644
index 13f78609..00000000
--- a/src/commands/listApps.js
+++ /dev/null
@@ -1,15 +0,0 @@
-// @flow
-
-import { createCommand, Command } from 'helpers/ipc'
-import { fromPromise } from 'rxjs/observable/fromPromise'
-
-import listApps from 'helpers/apps/listApps'
-import type { Application } from 'helpers/types'
-
-type Input = void
-
-type Result = Array<Application>
-
-const cmd: Command<Input, Result> = createCommand('listApps', () => fromPromise(listApps()))
-
-export default cmd
diff --git a/src/commands/listCategories.js b/src/commands/listCategories.js
deleted file mode 100644
index 641b4ad8..00000000
--- a/src/commands/listCategories.js
+++ /dev/null
@@ -1,17 +0,0 @@
-// @flow
-
-import { createCommand, Command } from 'helpers/ipc'
-import { fromPromise } from 'rxjs/observable/fromPromise'
-
-import listCategories from 'helpers/apps/listCategories'
-import type { Category } from 'helpers/types'
-
-type Input = void
-
-type Result = Array<Category>
-
-const cmd: Command<Input, Result> = createCommand('listCategories', () =>
-  fromPromise(listCategories()),
-)
-
-export default cmd
diff --git a/src/commands/uninstallApp.js b/src/commands/uninstallApp.js
index 684712c3..6d713a4c 100644
--- a/src/commands/uninstallApp.js
+++ b/src/commands/uninstallApp.js
@@ -4,7 +4,7 @@ import { createCommand, Command } from 'helpers/ipc'
 import { withDevice } from '@ledgerhq/live-common/lib/hw/deviceAccess'
 import uninstallApp from '@ledgerhq/live-common/lib/hw/uninstallApp'
 
-import type { ApplicationVersion } from 'helpers/types'
+import type { ApplicationVersion } from '@ledgerhq/live-common/lib/types/manager'
 
 type Input = {
   app: ApplicationVersion,
diff --git a/src/components/GenuineCheck.js b/src/components/GenuineCheck.js
index 76a53ba7..09107831 100644
--- a/src/components/GenuineCheck.js
+++ b/src/components/GenuineCheck.js
@@ -9,7 +9,8 @@ import { delay, createCancelablePolling } from 'helpers/promise'
 
 import logger from 'logger'
 import type { T, Device } from 'types/common'
-import type { DeviceInfo } from 'helpers/types'
+import manager from '@ledgerhq/live-common/lib/manager'
+import type { DeviceInfo } from '@ledgerhq/live-common/lib/types/manager'
 
 import { GENUINE_TIMEOUT, DEVICE_INFOS_TIMEOUT, GENUINE_CACHE_DELAY } from 'config/constants'
 
@@ -92,6 +93,16 @@ class GenuineCheck extends PureComponent<Props> {
       return true
     }
 
+    // Preload things in parallel
+    Promise.all([
+      // Step dashboard, we preload the applist before entering manager while we're still doing the genuine check
+      manager.getAppsList(deviceInfo),
+      // we also preload as much info as possible in case of a MCU
+      manager.getLatestFirmwareForDevice(deviceInfo),
+    ]).catch(e => {
+      logger.warn(e)
+    })
+
     if (genuineDevices.has(device)) {
       logger.log("genuine was already checked. don't check again")
       await delay(GENUINE_CACHE_DELAY)
diff --git a/src/components/ManagerPage/AppSearchBar.js b/src/components/ManagerPage/AppSearchBar.js
index 7e055e08..378bc423 100644
--- a/src/components/ManagerPage/AppSearchBar.js
+++ b/src/components/ManagerPage/AppSearchBar.js
@@ -3,7 +3,7 @@
 import React, { PureComponent, Fragment } from 'react'
 import styled from 'styled-components'
 
-import type { ApplicationVersion } from 'helpers/types'
+import type { ApplicationVersion } from '@ledgerhq/live-common/lib/types/manager'
 
 import Box from 'components/base/Box'
 import Space from 'components/base/Space'
diff --git a/src/components/ManagerPage/AppsList.js b/src/components/ManagerPage/AppsList.js
index a155af7c..97f9cea2 100644
--- a/src/components/ManagerPage/AppsList.js
+++ b/src/components/ManagerPage/AppsList.js
@@ -9,11 +9,10 @@ import { compose } from 'redux'
 import { throttleTime, filter, map } from 'rxjs/operators'
 
 import type { Device, T } from 'types/common'
-import type { ApplicationVersion, DeviceInfo } from 'helpers/types'
+import type { ApplicationVersion, DeviceInfo } from '@ledgerhq/live-common/lib/types/manager'
+import manager from '@ledgerhq/live-common/lib/manager'
 import { getFullListSortedCryptoCurrencies } from 'helpers/countervalues'
 import { developerModeSelector } from 'reducers/settings'
-import listApps from 'commands/listApps'
-import listAppVersions from 'commands/listAppVersions'
 import installApp from 'commands/installApp'
 import uninstallApp from 'commands/uninstallApp'
 import Box from 'components/base/Box'
@@ -131,24 +130,14 @@ class AppsList extends PureComponent<Props, State> {
   }
 
   async fetchAppList() {
-    try {
-      const { deviceInfo } = this.props
-
-      const [
-        applicationsList,
-        compatibleAppVersionsList,
-        sortedCryptoCurrencies,
-      ] = await Promise.all([
-        listApps.send().toPromise(),
-        listAppVersions.send(deviceInfo).toPromise(),
-        getFullListSortedCryptoCurrencies(),
-      ])
+    const { deviceInfo, isDevMode } = this.props
 
-      const filteredAppVersionsList = this.prepareAppList({
-        applicationsList,
-        compatibleAppVersionsList,
-        sortedCryptoCurrencies,
-      })
+    try {
+      const filteredAppVersionsList = await manager.getAppsList(
+        deviceInfo,
+        isDevMode,
+        getFullListSortedCryptoCurrencies,
+      )
 
       if (!this._unmounted) {
         this.setState({
diff --git a/src/components/ManagerPage/Dashboard.js b/src/components/ManagerPage/Dashboard.js
index 3e6d3687..b26e3b09 100644
--- a/src/components/ManagerPage/Dashboard.js
+++ b/src/components/ManagerPage/Dashboard.js
@@ -4,7 +4,7 @@ import { translate } from 'react-i18next'
 import styled from 'styled-components'
 
 import type { T, Device } from 'types/common'
-import type { DeviceInfo } from 'helpers/types'
+import type { DeviceInfo } from '@ledgerhq/live-common/lib/types/manager'
 
 import Box from 'components/base/Box'
 import Text from 'components/base/Text'
diff --git a/src/components/ManagerPage/index.js b/src/components/ManagerPage/index.js
index 24ee0407..59fb7c65 100644
--- a/src/components/ManagerPage/index.js
+++ b/src/components/ManagerPage/index.js
@@ -5,7 +5,7 @@ import invariant from 'invariant'
 import { openURL } from 'helpers/linking'
 import { urls } from 'config/urls'
 import type { Device } from 'types/common'
-import type { DeviceInfo } from 'helpers/types'
+import type { DeviceInfo } from '@ledgerhq/live-common/lib/types/manager'
 import { getFullListSortedCryptoCurrencies } from 'helpers/countervalues'
 
 import Dashboard from './Dashboard'
diff --git a/src/config/constants.js b/src/config/constants.js
index ac43b517..76f8af9c 100644
--- a/src/config/constants.js
+++ b/src/config/constants.js
@@ -58,12 +58,6 @@ export const LEDGER_REST_API_BASE = stringFromEnv(
   'LEDGER_REST_API_BASE',
   'https://explorers.api.live.ledger.com',
 )
-export const MANAGER_API_BASE = stringFromEnv(
-  'MANAGER_API_BASE',
-  'https://manager.api.live.ledger.com/api',
-)
-
-export const BASE_SOCKET_URL = stringFromEnv('BASE_SOCKET_URL', 'wss://api.ledgerwallet.com/update')
 
 // Provider
 export const FORCE_PROVIDER = intFromEnv('FORCE_PROVIDER', 0)
diff --git a/src/helpers/apps/installApp.js b/src/helpers/apps/installApp.js
deleted file mode 100644
index 1c854062..00000000
--- a/src/helpers/apps/installApp.js
+++ /dev/null
@@ -1,52 +0,0 @@
-// @flow
-import type Transport from '@ledgerhq/hw-transport'
-
-import { createDeviceSocket } from 'helpers/socket'
-
-import type { ApplicationVersion } from 'helpers/types'
-import { WS_INSTALL } from 'helpers/urls'
-
-import {
-  ManagerNotEnoughSpaceError,
-  ManagerDeviceLockedError,
-  ManagerAppAlreadyInstalledError,
-  ManagerAppRelyOnBTCError,
-} from '@ledgerhq/live-common/lib/errors'
-
-function remapError(promise) {
-  return promise.catch((e: Error) => {
-    switch (true) {
-      case e.message.endsWith('6982'):
-        throw new ManagerDeviceLockedError()
-      case e.message.endsWith('6a84') || e.message.endsWith('6a85'):
-        throw new ManagerNotEnoughSpaceError()
-      case e.message.endsWith('6a80') || e.message.endsWith('6a81'):
-        throw new ManagerAppAlreadyInstalledError()
-      case e.message.endsWith('6a83'):
-        throw new ManagerAppRelyOnBTCError()
-      default:
-        throw e
-    }
-  })
-}
-
-/**
- * Install an app on the device
- */
-export default async function installApp(
-  transport: Transport<*>,
-  targetId: string | number,
-  { app }: { app: ApplicationVersion },
-): Promise<void> {
-  const params = {
-    targetId,
-    perso: app.perso,
-    deleteKey: app.delete_key,
-    firmware: app.firmware,
-    firmwareKey: app.firmware_key,
-    hash: app.hash,
-  }
-
-  const url = WS_INSTALL(params)
-  await remapError(createDeviceSocket(transport, url).toPromise())
-}
diff --git a/src/helpers/apps/listAppVersions.js b/src/helpers/apps/listAppVersions.js
deleted file mode 100644
index bc48fc6a..00000000
--- a/src/helpers/apps/listAppVersions.js
+++ /dev/null
@@ -1,30 +0,0 @@
-// @flow
-import network from 'api/network'
-import type { DeviceInfo, DeviceVersion, FinalFirmware, ApplicationVersion } from 'helpers/types'
-
-import { APPLICATIONS_BY_DEVICE } from 'helpers/urls'
-import getDeviceVersion from 'helpers/devices/getDeviceVersion'
-import getCurrentFirmware from 'helpers/devices/getCurrentFirmware'
-
-type NetworkResponse = { data: { application_versions: Array<ApplicationVersion> } }
-
-export default async (deviceInfo: DeviceInfo): Promise<Array<ApplicationVersion>> => {
-  const deviceData: DeviceVersion = await getDeviceVersion(
-    deviceInfo.targetId,
-    deviceInfo.providerId,
-  )
-  const firmwareData: FinalFirmware = await getCurrentFirmware({
-    deviceId: deviceData.id,
-    fullVersion: deviceInfo.fullVersion,
-    provider: deviceInfo.providerId,
-  })
-  const params = {
-    provider: deviceInfo.providerId,
-    current_se_firmware_final_version: firmwareData.id,
-    device_version: deviceData.id,
-  }
-  const {
-    data: { application_versions },
-  }: NetworkResponse = await network({ method: 'POST', url: APPLICATIONS_BY_DEVICE, data: params })
-  return application_versions.length > 0 ? application_versions : []
-}
diff --git a/src/helpers/apps/listApps.js b/src/helpers/apps/listApps.js
deleted file mode 100644
index 14fed369..00000000
--- a/src/helpers/apps/listApps.js
+++ /dev/null
@@ -1,10 +0,0 @@
-// @flow
-import network from 'api/network'
-
-import { GET_APPLICATIONS } from 'helpers/urls'
-import type { Application } from 'helpers/types'
-
-export default async (): Promise<Array<Application>> => {
-  const { data } = await network({ method: 'GET', url: GET_APPLICATIONS })
-  return data.length > 0 ? data : []
-}
diff --git a/src/helpers/apps/listCategories.js b/src/helpers/apps/listCategories.js
deleted file mode 100644
index 1c903b0a..00000000
--- a/src/helpers/apps/listCategories.js
+++ /dev/null
@@ -1,10 +0,0 @@
-// @flow
-import network from 'api/network'
-
-import { GET_CATEGORIES } from 'helpers/urls'
-import type { Category } from 'helpers/types'
-
-export default async (): Promise<Array<Category>> => {
-  const { data }: { data: Array<Category> } = await network({ method: 'GET', url: GET_CATEGORIES })
-  return data.length > 0 ? data : []
-}
diff --git a/src/helpers/apps/uninstallApp.js b/src/helpers/apps/uninstallApp.js
deleted file mode 100644
index 161c0ae8..00000000
--- a/src/helpers/apps/uninstallApp.js
+++ /dev/null
@@ -1,41 +0,0 @@
-// @flow
-import type Transport from '@ledgerhq/hw-transport'
-
-import { createDeviceSocket } from 'helpers/socket'
-
-import type { ApplicationVersion } from 'helpers/types'
-import { ManagerDeviceLockedError, ManagerUninstallBTCDep } from '@ledgerhq/live-common/lib/errors'
-import { WS_INSTALL } from 'helpers/urls'
-
-function remapError(promise) {
-  return promise.catch((e: Error) => {
-    switch (true) {
-      case e.message.endsWith('6982'):
-        throw new ManagerDeviceLockedError()
-      case e.message.endsWith('6a83'):
-        throw new ManagerUninstallBTCDep()
-      default:
-        throw e
-    }
-  })
-}
-
-/**
- * Install an app on the device
- */
-export default async function uninstallApp(
-  transport: Transport<*>,
-  targetId: string | number,
-  { app }: { app: ApplicationVersion },
-): Promise<void> {
-  const params = {
-    targetId,
-    perso: app.perso,
-    deleteKey: app.delete_key,
-    firmware: app.delete,
-    firmwareKey: app.delete_key,
-    hash: app.hash,
-  }
-  const url = WS_INSTALL(params)
-  await remapError(createDeviceSocket(transport, url).toPromise())
-}
diff --git a/src/helpers/debugAppInfosForCurrency/btc.js b/src/helpers/debugAppInfosForCurrency/btc.js
deleted file mode 100644
index 74e7460a..00000000
--- a/src/helpers/debugAppInfosForCurrency/btc.js
+++ /dev/null
@@ -1,9 +0,0 @@
-// @flow
-
-import type Transport from '@ledgerhq/hw-transport'
-
-export default async (transport: Transport<*>) => {
-  const r = await transport.send(0xe0, 0xc4, 0, 0)
-  const version = `${r[2]}.${r[3]}.${r[4]}`
-  return { version }
-}
diff --git a/src/helpers/debugAppInfosForCurrency/ethereum.js b/src/helpers/debugAppInfosForCurrency/ethereum.js
deleted file mode 100644
index ce090c76..00000000
--- a/src/helpers/debugAppInfosForCurrency/ethereum.js
+++ /dev/null
@@ -1,10 +0,0 @@
-// @flow
-
-import Eth from '@ledgerhq/hw-app-eth'
-import type Transport from '@ledgerhq/hw-transport'
-
-export default async (transport: Transport<*>) => {
-  const eth = new Eth(transport)
-  const { version } = await eth.getAppConfiguration()
-  return { version }
-}
diff --git a/src/helpers/debugAppInfosForCurrency/index.js b/src/helpers/debugAppInfosForCurrency/index.js
deleted file mode 100644
index 95aeead3..00000000
--- a/src/helpers/debugAppInfosForCurrency/index.js
+++ /dev/null
@@ -1,29 +0,0 @@
-// @flow
-
-import type { CryptoCurrency } from '@ledgerhq/live-common/lib/types'
-import invariant from 'invariant'
-import type Transport from '@ledgerhq/hw-transport'
-import bitcoin from './btc'
-import ethereum from './ethereum'
-import ripple from './ripple'
-
-type Resolver = (
-  transport: Transport<*>,
-  currency: CryptoCurrency,
-) => Promise<{
-  version?: string,
-}>
-
-const perFamily: { [_: string]: * } = {
-  bitcoin,
-  ethereum,
-  ripple,
-}
-
-const proxy: Resolver = (transport, currency) => {
-  const getAddress = perFamily[currency.family]
-  invariant(getAddress, `getAddress not implemented for ${currency.id}`)
-  return getAddress(transport)
-}
-
-export default proxy
diff --git a/src/helpers/debugAppInfosForCurrency/ripple.js b/src/helpers/debugAppInfosForCurrency/ripple.js
deleted file mode 100644
index dcabc884..00000000
--- a/src/helpers/debugAppInfosForCurrency/ripple.js
+++ /dev/null
@@ -1,10 +0,0 @@
-// @flow
-
-import Xrp from '@ledgerhq/hw-app-xrp'
-import type Transport from '@ledgerhq/hw-transport'
-
-export default async (transport: Transport<*>) => {
-  const xrp = new Xrp(transport)
-  const { version } = await xrp.getAppConfiguration()
-  return { version }
-}
diff --git a/src/helpers/devices/getBitcoinLikeInfo.js b/src/helpers/devices/getBitcoinLikeInfo.js
deleted file mode 100644
index 82e8ed75..00000000
--- a/src/helpers/devices/getBitcoinLikeInfo.js
+++ /dev/null
@@ -1,21 +0,0 @@
-// @flow
-
-import type Transport from '@ledgerhq/hw-transport'
-
-const getBitcoinLikeInfo = (
-  transport: Transport<any>,
-): Promise<{
-  P2PKH: number,
-  P2SH: number,
-  message: Buffer,
-  short: Buffer,
-}> =>
-  transport.send(0xe0, 0x16, 0x00, 0x00).then(res => {
-    const P2PKH = res.readUInt16BE(0)
-    const P2SH = res.readUInt16BE(2)
-    const message = res.slice(5, res.readUInt8(4))
-    const short = res.slice(5 + message.length + 1, res.readUInt8(5 + message.length))
-    return { P2PKH, P2SH, message, short }
-  })
-
-export default getBitcoinLikeInfo
diff --git a/src/helpers/devices/getCurrentFirmware.js b/src/helpers/devices/getCurrentFirmware.js
deleted file mode 100644
index c4ef5979..00000000
--- a/src/helpers/devices/getCurrentFirmware.js
+++ /dev/null
@@ -1,24 +0,0 @@
-// @flow
-import network from 'api/network'
-
-import { GET_CURRENT_FIRMWARE } from 'helpers/urls'
-import type { FinalFirmware } from 'helpers/types'
-
-type Input = {
-  fullVersion: string,
-  deviceId: string | number,
-  provider: number,
-}
-
-export default async (input: Input): Promise<FinalFirmware> => {
-  const { data }: { data: FinalFirmware } = await network({
-    method: 'POST',
-    url: GET_CURRENT_FIRMWARE,
-    data: {
-      device_version: input.deviceId,
-      version_name: input.fullVersion,
-      provider: input.provider,
-    },
-  })
-  return data
-}
diff --git a/src/helpers/devices/getDeviceInfo.js b/src/helpers/devices/getDeviceInfo.js
deleted file mode 100644
index 1bfef909..00000000
--- a/src/helpers/devices/getDeviceInfo.js
+++ /dev/null
@@ -1,5 +0,0 @@
-// @flow
-
-import getDeviceInfo from '@ledgerhq/live-common/lib/hw/getDeviceInfo'
-
-export default getDeviceInfo
diff --git a/src/helpers/devices/getDeviceVersion.js b/src/helpers/devices/getDeviceVersion.js
deleted file mode 100644
index c681cfa9..00000000
--- a/src/helpers/devices/getDeviceVersion.js
+++ /dev/null
@@ -1,17 +0,0 @@
-// @flow
-import { GET_DEVICE_VERSION } from 'helpers/urls'
-import network from 'api/network'
-
-import type { DeviceVersion } from 'helpers/types'
-
-export default async (targetId: string | number, provider: number): Promise<DeviceVersion> => {
-  const { data }: { data: DeviceVersion } = await network({
-    method: 'POST',
-    url: GET_DEVICE_VERSION,
-    data: {
-      provider,
-      target_id: targetId,
-    },
-  })
-  return data
-}
diff --git a/src/helpers/devices/getIsGenuine.js b/src/helpers/devices/getIsGenuine.js
deleted file mode 100644
index 3357042b..00000000
--- a/src/helpers/devices/getIsGenuine.js
+++ /dev/null
@@ -1,32 +0,0 @@
-// @flow
-import type Transport from '@ledgerhq/hw-transport'
-import { SKIP_GENUINE } from 'config/constants'
-import { WS_GENUINE } from 'helpers/urls'
-import type { DeviceInfo, FinalFirmware, DeviceVersion } from 'helpers/types'
-
-import { createDeviceSocket } from 'helpers/socket'
-import getCurrentFirmware from './getCurrentFirmware'
-import getDeviceVersion from './getDeviceVersion'
-
-export default async (transport: Transport<*>, deviceInfo: DeviceInfo): Promise<string> => {
-  const deviceVersion: DeviceVersion = await getDeviceVersion(
-    deviceInfo.targetId,
-    deviceInfo.providerId,
-  )
-
-  const firmware: FinalFirmware = await getCurrentFirmware({
-    deviceId: deviceVersion.id,
-    fullVersion: deviceInfo.fullVersion,
-    provider: deviceInfo.providerId,
-  })
-
-  const params = {
-    targetId: deviceInfo.targetId,
-    perso: firmware.perso,
-  }
-
-  const url = WS_GENUINE(params)
-  return SKIP_GENUINE
-    ? new Promise(resolve => setTimeout(() => resolve('0000'), 1000))
-    : createDeviceSocket(transport, url).toPromise()
-}
diff --git a/src/helpers/devices/getMemInfo.js b/src/helpers/devices/getMemInfo.js
deleted file mode 100644
index 04c5a833..00000000
--- a/src/helpers/devices/getMemInfo.js
+++ /dev/null
@@ -1,10 +0,0 @@
-// @flow
-
-import type Transport from '@ledgerhq/hw-transport'
-
-import getFirmwareInfo from 'helpers/firmware/getFirmwareInfo'
-
-export default async function getMemInfos(transport: Transport<*>): Promise<Object> {
-  const { targetId } = await getFirmwareInfo(transport) // eslint-disable-line
-  return new Promise(resolve => setTimeout(() => resolve({}), 1000))
-}
diff --git a/src/helpers/devices/getOsuFirmware.js b/src/helpers/devices/getOsuFirmware.js
deleted file mode 100644
index 07b7dae9..00000000
--- a/src/helpers/devices/getOsuFirmware.js
+++ /dev/null
@@ -1,23 +0,0 @@
-// @flow
-import network from 'api/network'
-
-import { GET_CURRENT_OSU } from 'helpers/urls'
-
-type Input = {
-  version: string,
-  deviceId: string | number,
-  provider: number,
-}
-
-export default async (input: Input): Promise<*> => {
-  const { data } = await network({
-    method: 'POST',
-    url: GET_CURRENT_OSU,
-    data: {
-      device_version: input.deviceId,
-      version_name: `${input.version}-osu`,
-      provider: input.provider,
-    },
-  })
-  return data
-}
diff --git a/src/helpers/devices/isDashboardOpen.js b/src/helpers/devices/isDashboardOpen.js
deleted file mode 100644
index e49d64d1..00000000
--- a/src/helpers/devices/isDashboardOpen.js
+++ /dev/null
@@ -1,16 +0,0 @@
-// @flow
-
-import type Transport from '@ledgerhq/hw-transport'
-
-import getFirmwareInfo from 'helpers/firmware/getFirmwareInfo'
-
-type Result = boolean
-
-export default async (transport: Transport<*>): Promise<Result> => {
-  const { targetId, seVersion } = await getFirmwareInfo(transport)
-  if (targetId && seVersion) {
-    return true
-  }
-
-  return false
-}
diff --git a/src/helpers/firmware/getFinalFirmwareById.js b/src/helpers/firmware/getFinalFirmwareById.js
deleted file mode 100644
index d3296a9c..00000000
--- a/src/helpers/firmware/getFinalFirmwareById.js
+++ /dev/null
@@ -1,8 +0,0 @@
-// @flow
-import network from 'api/network'
-import { GET_FINAL_FIRMWARE } from 'helpers/urls'
-
-export default async (id: number) => {
-  const { data } = await network({ method: 'GET', url: `${GET_FINAL_FIRMWARE}/${id}` })
-  return data
-}
diff --git a/src/helpers/firmware/getFirmwareInfo.js b/src/helpers/firmware/getFirmwareInfo.js
deleted file mode 100644
index b3c4a81c..00000000
--- a/src/helpers/firmware/getFirmwareInfo.js
+++ /dev/null
@@ -1,51 +0,0 @@
-// @flow
-
-import type Transport from '@ledgerhq/hw-transport'
-import type { FirmwareInfo } from 'helpers/types'
-
-const APDUS = {
-  GET_FIRMWARE: [0xe0, 0x01, 0x00, 0x00],
-  // we dont have common call that works inside app & dashboard
-  // TODO: this should disappear.
-  GET_FIRMWARE_FALLBACK: [0xe0, 0xc4, 0x00, 0x00],
-}
-
-/**
- * Retrieve targetId and firmware version from device
- */
-export default async function getFirmwareInfo(transport: Transport<*>): Promise<FirmwareInfo> {
-  const res = await transport.send(...APDUS.GET_FIRMWARE)
-  const byteArray = [...res]
-  const data = byteArray.slice(0, byteArray.length - 2)
-  const targetIdStr = Buffer.from(data.slice(0, 4))
-  const targetId = targetIdStr.readUIntBE(0, 4)
-  const seVersionLength = data[4]
-  const seVersion = Buffer.from(data.slice(5, 5 + seVersionLength)).toString()
-  const flagsLength = data[5 + seVersionLength]
-  const flags = Buffer.from(
-    data.slice(5 + seVersionLength + 1, 5 + seVersionLength + 1 + flagsLength),
-  ).toString()
-
-  const mcuVersionLength = data[5 + seVersionLength + 1 + flagsLength]
-  let mcuVersion = Buffer.from(
-    data.slice(
-      7 + seVersionLength + flagsLength,
-      7 + seVersionLength + flagsLength + mcuVersionLength,
-    ),
-  )
-  if (mcuVersion[mcuVersion.length - 1] === 0) {
-    mcuVersion = mcuVersion.slice(0, mcuVersion.length - 1)
-  }
-  mcuVersion = mcuVersion.toString()
-
-  if (!seVersionLength) {
-    return {
-      targetId,
-      seVersion: '0.0.0',
-      flags: '',
-      mcuVersion: '',
-    }
-  }
-
-  return { targetId, seVersion, flags, mcuVersion }
-}
diff --git a/src/helpers/firmware/getMcus.js b/src/helpers/firmware/getMcus.js
deleted file mode 100644
index 9f0057f4..00000000
--- a/src/helpers/firmware/getMcus.js
+++ /dev/null
@@ -1,13 +0,0 @@
-// @flow
-import network from 'api/network'
-
-import { GET_MCUS } from 'helpers/urls'
-
-export default async (): Promise<*> => {
-  const { data } = await network({
-    method: 'GET',
-    url: GET_MCUS,
-  })
-
-  return data
-}
diff --git a/src/helpers/firmware/getNextMCU.js b/src/helpers/firmware/getNextMCU.js
deleted file mode 100644
index 92f877a3..00000000
--- a/src/helpers/firmware/getNextMCU.js
+++ /dev/null
@@ -1,25 +0,0 @@
-// @flow
-import network from 'api/network'
-
-import { GET_NEXT_MCU } from 'helpers/urls'
-import type { OsuFirmware } from 'helpers/types'
-import { LatestMCUInstalledError } from '@ledgerhq/live-common/lib/errors'
-
-type NetworkResponse = { data: OsuFirmware | 'default' }
-
-export default async (bootloaderVersion: string): Promise<*> => {
-  const { data }: NetworkResponse = await network({
-    method: 'POST',
-    url: GET_NEXT_MCU,
-    data: {
-      bootloader_version: bootloaderVersion,
-    },
-  })
-
-  // FIXME: nextVersion will not be able to "default" when
-  // Error handling is standardize on the API side
-  if (data === 'default' || !data.name) {
-    throw new LatestMCUInstalledError('there is no next mcu version to install')
-  }
-  return data
-}
diff --git a/src/helpers/socket.js b/src/helpers/socket.js
deleted file mode 100644
index 452df930..00000000
--- a/src/helpers/socket.js
+++ /dev/null
@@ -1,132 +0,0 @@
-// @flow
-
-import invariant from 'invariant'
-import logger from 'logger'
-import Websocket from 'ws'
-import type Transport from '@ledgerhq/hw-transport'
-import { Observable } from 'rxjs'
-import {
-  WebsocketConnectionError,
-  WebsocketConnectionFailed,
-  DeviceSocketFail,
-  DeviceSocketNoBulkStatus,
-  DeviceSocketNoHandler,
-} from '@ledgerhq/live-common/lib/errors'
-
-/**
- * use Ledger WebSocket API to exchange data with the device
- * Returns an Observable of the final result
- */
-export const createDeviceSocket = (transport: Transport<*>, url: string) =>
-  Observable.create(o => {
-    let ws
-    let lastMessage: ?string
-
-    try {
-      ws = new Websocket(url)
-    } catch (err) {
-      o.error(new WebsocketConnectionFailed(err.message, { url }))
-      return () => {}
-    }
-    invariant(ws, 'websocket is available')
-
-    ws.on('open', () => {
-      logger.websocket('OPENED', { url })
-    })
-
-    ws.on('error', e => {
-      logger.websocket('ERROR', { message: e.message, stack: e.stack })
-      o.error(new WebsocketConnectionError(e.message, { url }))
-    })
-
-    ws.on('close', () => {
-      logger.websocket('CLOSE')
-      o.next(lastMessage || '')
-      o.complete()
-    })
-
-    const send = (nonce, response, data) => {
-      const msg = {
-        nonce,
-        response,
-        data,
-      }
-      logger.websocket('SEND', msg)
-      const strMsg = JSON.stringify(msg)
-      ws.send(strMsg)
-    }
-
-    const handlers = {
-      exchange: async input => {
-        const { data, nonce } = input
-        const r: Buffer = await transport.exchange(Buffer.from(data, 'hex'))
-        const status = r.slice(r.length - 2)
-        const buffer = r.slice(0, r.length - 2)
-        const strStatus = status.toString('hex')
-        send(nonce, strStatus === '9000' ? 'success' : 'error', buffer.toString('hex'))
-      },
-
-      bulk: async input => {
-        const { data, nonce } = input
-
-        // Execute all apdus and collect last status
-        let lastStatus = null
-        for (const apdu of data) {
-          const r: Buffer = await transport.exchange(Buffer.from(apdu, 'hex'))
-          lastStatus = r.slice(r.length - 2)
-
-          if (lastStatus.toString('hex') !== '9000') break
-        }
-
-        if (!lastStatus) {
-          throw new DeviceSocketNoBulkStatus()
-        }
-
-        const strStatus = lastStatus.toString('hex')
-
-        send(
-          nonce,
-          strStatus === '9000' ? 'success' : 'error',
-          strStatus === '9000' ? '' : strStatus,
-        )
-      },
-
-      success: msg => {
-        lastMessage = msg.data || msg.result
-        ws.close()
-      },
-
-      error: msg => {
-        logger.websocket('ERROR', { data: msg.data })
-        throw new DeviceSocketFail(msg.data, { url })
-      },
-    }
-
-    const stackMessage = async rawMsg => {
-      try {
-        const msg = JSON.parse(rawMsg)
-        if (!(msg.query in handlers)) {
-          throw new DeviceSocketNoHandler(`Cannot handle msg of type ${msg.query}`, {
-            query: msg.query,
-            url,
-          })
-        }
-        logger.websocket('RECEIVE', msg)
-        await handlers[msg.query](msg)
-      } catch (err) {
-        logger.websocket('ERROR', { message: err.message, stack: err.stack })
-        o.error(err)
-      }
-    }
-
-    ws.on('message', async rawMsg => {
-      stackMessage(rawMsg)
-    })
-
-    return () => {
-      if (ws.readyState === 1) {
-        lastMessage = null
-        ws.close()
-      }
-    }
-  })
diff --git a/src/helpers/urls.js b/src/helpers/urls.js
deleted file mode 100644
index 8d953b53..00000000
--- a/src/helpers/urls.js
+++ /dev/null
@@ -1,37 +0,0 @@
-// @flow
-import qs from 'qs'
-
-import { MANAGER_API_BASE, BASE_SOCKET_URL } from 'config/constants'
-import type { LedgerScriptParams } from 'helpers/types'
-
-const urlBuilder = (base: string) => (endpoint: string): string => `${base}/${endpoint}`
-
-const managerUrlbuilder = urlBuilder(MANAGER_API_BASE)
-
-const wsURLBuilder = (endpoint: string) => (params?: Object) =>
-  `${BASE_SOCKET_URL}/${endpoint}${params ? `?${qs.stringify(params)}` : ''}`
-
-// const wsURLBuilderProxy = (endpoint: string) => (params?: Object) =>
-//   `ws://manager.ledger.fr:3501/${endpoint}${params ? `?${qs.stringify(params)}` : ''}`
-
-// FIXME we shouldn't do this here. we should just collocate these where it's used.
-
-export const GET_FINAL_FIRMWARE: string = managerUrlbuilder('firmware_final_versions')
-export const GET_DEVICE_VERSION: string = managerUrlbuilder('get_device_version')
-export const APPLICATIONS_BY_DEVICE: string = managerUrlbuilder('get_apps')
-export const GET_CURRENT_FIRMWARE: string = managerUrlbuilder('get_firmware_version')
-export const GET_CURRENT_OSU: string = managerUrlbuilder('get_osu_version')
-export const GET_LATEST_FIRMWARE: string = managerUrlbuilder('get_latest_firmware')
-export const GET_NEXT_MCU: string = managerUrlbuilder('mcu_versions_bootloader')
-export const GET_MCUS: string = managerUrlbuilder('mcu_versions')
-export const GET_CATEGORIES: string = managerUrlbuilder('categories')
-export const GET_APPLICATIONS: string = managerUrlbuilder('applications')
-
-export const WS_INSTALL: (arg: LedgerScriptParams) => string = wsURLBuilder('install')
-export const WS_GENUINE: (arg: {
-  targetId: string | number,
-  perso: string,
-}) => string = wsURLBuilder('genuine')
-export const WS_MCU: (arg: { targetId: string | number, version: string }) => string = wsURLBuilder(
-  'mcu',
-)
diff --git a/src/logger/logger.js b/src/logger/logger.js
index 04e161cb..63161dec 100644
--- a/src/logger/logger.js
+++ b/src/logger/logger.js
@@ -109,13 +109,7 @@ const logAnalytics = !__DEV__ || DEBUG_ANALYTICS
 const logApdu = !__DEV__ || DEBUG_DEVICE
 
 const blacklistTooVerboseCommandInput = []
-const blacklistTooVerboseCommandResponse = [
-  'libcoreSyncAccount',
-  'libcoreScanAccounts',
-  'listApps',
-  'listAppVersions',
-  'listCategories',
-]
+const blacklistTooVerboseCommandResponse = ['libcoreSyncAccount', 'libcoreScanAccounts']
 
 export default {
   onCmd: (type: string, id: string, spentTime: number, data?: any) => {