Removing MDM (Mobile Device Management) locks from an OPPO A79 5G (CPH2557) Go to product viewer dialog for this item.

Oppo's security architecture (OPPO Cloud and Secure Boot) is very aggressive. Unlike older Oppo phones, the A79 5G is difficult to exploit via simple OTA methods without consequences.

On the CPH2557, aggressive OTA updates often re-lock devices. If you have bypassed an MDM or FRP using a third-party method, a silent OTA update will:

Methods for addressing MDM and OTA issues on this specific model often include: Permanent MDM Unlocking: Services often use specialized tools like TSM Tool Pro RT-Firmware