Troubleshooting
Check/update Android™ operating system from the smartphone (Over The Air update, OTA)

Over The Air update (OTA) brings corrections to the Android™ operating system and installs its earlier version (if available) without erasing personal data:*
Wi-Fi connection is recommended for best downloading conditions.

Open "Settings" app :
- tap on "System" down the screen,
- tap on "Advanced", if needed,
- tap on "System update",
- tap on "Check for update", if needed.

* This type of update has no effect on settings and personal data.

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