diff --git a/src/bridge/BridgeSyncContext.js b/src/bridge/BridgeSyncContext.js
index 83f71842..dcba6613 100644
--- a/src/bridge/BridgeSyncContext.js
+++ b/src/bridge/BridgeSyncContext.js
@@ -6,6 +6,7 @@
 import invariant from 'invariant'
 import logger from 'logger'
 import shuffle from 'lodash/shuffle'
+import { timeout } from 'rxjs/operators/timeout'
 import React, { Component } from 'react'
 import priorityQueue from 'async/priorityQueue'
 import { connect } from 'react-redux'
@@ -16,7 +17,12 @@ import { setAccountSyncState } from 'actions/bridgeSync'
 import { bridgeSyncSelector, syncStateLocalSelector } from 'reducers/bridgeSync'
 import type { BridgeSyncState } from 'reducers/bridgeSync'
 import { accountsSelector } from 'reducers/accounts'
-import { SYNC_BOOT_DELAY, SYNC_ALL_INTERVAL, SYNC_MAX_CONCURRENT } from 'config/constants'
+import {
+  SYNC_BOOT_DELAY,
+  SYNC_ALL_INTERVAL,
+  SYNC_MAX_CONCURRENT,
+  SYNC_TIMEOUT,
+} from 'config/constants'
 import { getBridgeForCurrency } from '.'
 
 type BridgeSyncProviderProps = {
@@ -73,19 +79,22 @@ class Provider extends Component<BridgeSyncProviderOwnProps, Sync> {
       this.props.setAccountSyncState(accountId, { pending: true, error: null })
 
       // TODO use Subscription to unsubscribe at relevant time
-      bridge.synchronize(account).subscribe({
-        next: accountUpdater => {
-          this.props.updateAccountWithUpdater(accountId, accountUpdater)
-        },
-        complete: () => {
-          this.props.setAccountSyncState(accountId, { pending: false, error: null })
-          next()
-        },
-        error: error => {
-          this.props.setAccountSyncState(accountId, { pending: false, error })
-          next()
-        },
-      })
+      bridge
+        .synchronize(account)
+        .pipe(timeout(SYNC_TIMEOUT))
+        .subscribe({
+          next: accountUpdater => {
+            this.props.updateAccountWithUpdater(accountId, accountUpdater)
+          },
+          complete: () => {
+            this.props.setAccountSyncState(accountId, { pending: false, error: null })
+            next()
+          },
+          error: error => {
+            this.props.setAccountSyncState(accountId, { pending: false, error })
+            next()
+          },
+        })
     }
 
     const syncQueue = priorityQueue(synchronize, SYNC_MAX_CONCURRENT)
diff --git a/src/components/Workflow/EnsureGenuine.js b/src/components/Workflow/EnsureGenuine.js
index 831d60c8..42cb971d 100644
--- a/src/components/Workflow/EnsureGenuine.js
+++ b/src/components/Workflow/EnsureGenuine.js
@@ -1,7 +1,9 @@
 // @flow
+import { timeout } from 'rxjs/operators/timeout'
 import { PureComponent } from 'react'
 import isEqual from 'lodash/isEqual'
 
+import { GENUINE_TIMEOUT } from 'config/constants'
 import type { Device } from 'types/common'
 
 import getIsGenuine from 'commands/getIsGenuine'
@@ -60,6 +62,7 @@ class EnsureGenuine extends PureComponent<Props, State> {
       try {
         const res = await getIsGenuine
           .send({ devicePath: device.path, targetId: infos.targetId })
+          .pipe(timeout(GENUINE_TIMEOUT))
           .toPromise()
         if (this._unmounting) return
         const isGenuine = res === '0000'
diff --git a/src/config/constants.js b/src/config/constants.js
index 51a9637b..5e5f8b09 100644
--- a/src/config/constants.js
+++ b/src/config/constants.js
@@ -20,6 +20,8 @@ export const GET_CALLS_RETRY = intFromEnv('GET_CALLS_RETRY', 2)
 export const SYNC_MAX_CONCURRENT = intFromEnv('LEDGER_SYNC_MAX_CONCURRENT', 6)
 export const SYNC_BOOT_DELAY = 2 * 1000
 export const SYNC_ALL_INTERVAL = 60 * 1000
+export const GENUINE_TIMEOUT = intFromEnv('GENUINE_TIMEOUT', 60 * 1000)
+export const SYNC_TIMEOUT = intFromEnv('SYNC_TIMEOUT', 30 * 1000)
 
 export const CHECK_APP_INTERVAL_WHEN_INVALID = 600
 export const CHECK_APP_INTERVAL_WHEN_VALID = 1200
diff --git a/static/i18n/en/errors.yml b/static/i18n/en/errors.yml
index 8f853eb0..2d542878 100644
--- a/static/i18n/en/errors.yml
+++ b/static/i18n/en/errors.yml
@@ -3,6 +3,7 @@ RangeError: '{{message}}'
 Error: '{{message}}'
 LedgerAPIErrorWithMessage: '{{message}}'
 TransportStatusError: '{{message}}'
+TimeoutError: 'Timeout reached'
 FeeEstimationFailed: 'fee estimation failed (status: {{status}})'
 NotEnoughBalance: 'Not enough balance'
 BtcUnmatchedApp: 'You must open application ‘{{currencyName}}’ on the device'