Wait for the "Flashing Completed" message, and your phone will restart automatically.

This method is for when the OTA update fails, the phone is bricked, or you need to perform a clean installation.

Do not touch the cable or the phone during the process. The phone will reboot automatically once the flashing status reaches 100%. Troubleshooting Common Flashing Issues

Double-check that your phone sticker reads "RM-647". This firmware will not work on other variants.

firmware version 11.40 files and place them in the correct directory for your tool (e.g., C:\Program Files\Nokia\Phoenix\Products\RM-721 ).

This method is the safest and should always be your first attempt. It updates the phone wirelessly, provided an update is available.

to check for official over-the-air (OTA) updates if the service is still active for your region. Manual Flashing (PC) Connect the device via Micro USB cable Phoenix Service Software

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