diff --git a/src/helpers/apps/installApp.js b/src/helpers/apps/installApp.js
index 96f1af75..00dfb4fd 100644
--- a/src/helpers/apps/installApp.js
+++ b/src/helpers/apps/installApp.js
@@ -9,14 +9,26 @@ import type { LedgerScriptParams } from 'helpers/common'
 
 import createCustomErrorClass from '../createCustomErrorClass'
 
-const CannotInstall = createCustomErrorClass('CannotInstall')
+const ManagerUnexpectedError = createCustomErrorClass('ManagerUnexpected')
+const ManagerNotEnoughSpaceError = createCustomErrorClass('ManagerNotEnoughSpace')
+const ManagerDeviceLockedError = createCustomErrorClass('ManagerDeviceLocked')
+const ManagerAppAlreadyInstalledError = createCustomErrorClass('ManagerAppAlreadyInstalled')
+const ManagerAppRelyOnBTCError = createCustomErrorClass('ManagerAppRelyOnBTC')
 
 function remapError(promise) {
   return promise.catch((e: Error) => {
-    if (e.message.endsWith('6982')) {
-      throw new CannotInstall()
+    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 new ManagerUnexpectedError(e.message, { msg: e.message })
     }
-    throw e
   })
 }
 
diff --git a/src/helpers/apps/uninstallApp.js b/src/helpers/apps/uninstallApp.js
index 6ead5304..1611a1b4 100644
--- a/src/helpers/apps/uninstallApp.js
+++ b/src/helpers/apps/uninstallApp.js
@@ -8,14 +8,20 @@ import { createDeviceSocket } from 'helpers/socket'
 import type { LedgerScriptParams } from 'helpers/common'
 import createCustomErrorClass from '../createCustomErrorClass'
 
-const CannotUninstall = createCustomErrorClass('CannotUninstall')
+const ManagerUnexpectedError = createCustomErrorClass('ManagerUnexpectedError')
+const ManagerDeviceLockedError = createCustomErrorClass('ManagerDeviceLocked')
+const ManagerUninstallBTCDep = createCustomErrorClass('ManagerUninstallBTCDep')
 
 function remapError(promise) {
   return promise.catch((e: Error) => {
-    if (e.message.endsWith('6a83')) {
-      throw new CannotUninstall()
+    switch (true) {
+      case e.message.endsWith('6982'):
+        throw new ManagerDeviceLockedError()
+      case e.message.endsWith('6a83'):
+        throw new ManagerUninstallBTCDep()
+      default:
+        throw new ManagerUnexpectedError(e.message, { msg: e.message })
     }
-    throw e
   })
 }
 
diff --git a/static/i18n/en/errors.yml b/static/i18n/en/errors.yml
index 95ce4465..640ff96d 100644
--- a/static/i18n/en/errors.yml
+++ b/static/i18n/en/errors.yml
@@ -21,5 +21,11 @@ DeviceSocketNoBulkStatus: Oops, device connection failed. Please try again [bulk
 DeviceSocketNoHandler: Oops, device connection failed (handler {{query}}). Please try again.
 LatestMCUInstalledError: MCU on device already up to date.
 HardResetFail: Reset failed. Please try again.
-CannotUninstall: Cannot uninstall app.
-CannotInstall: Not enough room left on your device. Please uninstall some apps and try again.
+
+ManagerAPIsFail: Our services are currently unavailable. Please try again later.
+ManagerUnexpected: Unexpected error occurred ({{msg}}). Please try again later.
+ManagerNotEnoughSpace: Not enough room left on your device. Please uninstall some apps and try again.
+ManagerDeviceLocked: Device is locked
+ManagerAppAlreadyInstalled: App is already installed
+ManagerAppRelyOnBTC: You must install Bitcoin application first
+ManagerUninstallBTCDep: You must uninstall other altcoins first