(shorting two specific points on the motherboard) while connecting the USB cable to enter BROM Mode. Alternatively, try holding Volume Up + Volume Down simultaneously while plugging in the USB cable. 3. Execute the Removal In the service tool, select the brand and model A79 5G (CPH2557) Select the "MDM Remove" or "Flash Firmware" option. Load the specific firmware files (Scat/OFP) you downloaded.
Before attempting a firmware flash, you can use built-in codes to check the device's hardware status:
The removal process often includes a patch that permanently disables OTA updates. This is done to prevent the device from automatically updating to a newer version of ColorOS that might re-trigger the MDM lock.
Ordering and questions or contact us.