Mdm Ota Remove Firmwareby Full [repack] — Oppo A79 5g Cph2557

The device has a hardware-backed attestation. You must flash a modified system.img where the MDM APK is deleted:

Power off the device. Hold Volume Up + Volume Down while connecting the USB cable to enter MediaTek BROM mode. oppo a79 5g cph2557 mdm ota remove firmwareby full