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Upgrade Method 2: OTA (Over the Air) Firmware Update If you receive a software
update notification within the app, please confirm the upgrade. This action will redirect
you to the OTA upgrade interface, where you can follow the app's guidance to complete
the upgrade.
Please take note:
• To perform a firmware upgrade via either method, both the N4 Pro front and
rear cameras must remain powered on.
• For OTA upgrades, a working internet connection is necessary to download the
upgrade file.