Given the specifics, I'll provide a general guide that could help with firmware-related issues on Oppo A79 5G (CPH2557), but please note that specific steps can vary based on the exact nature of your issue, the software version, and the tools you're required to use.
Enterprise MDM Solutions: If you're using an MDM solution for device management, consult your IT department or MDM provider for guidance. They can assist with managing updates, configurations, and potentially removing unauthorized firmware through their platform. oppo a79 5g cph2557 mdm ota remove firmwareby full
Caution with Third-Party Solutions: Be cautious with third-party tools or files that claim to offer such functionalities. They can potentially harm your device or compromise its security. Given the specifics, I'll provide a general guide
If you flash only system, vendor, and userdata (avoiding nvram and nvdata), your IMEI remains intact. The “Format All” option in SP Flash Tool will erase IMEI – use “Format whole flash except bootloader” instead. Enterprise MDM Solutions : If you're using an
To truly remove MDM from the CPH2557, you need a Full Firmware package. This is distinct from an "OTA Update.zip" (which only patches existing files) or a "Payload.bin" file (which updates only system/vendor).
A "Full Firmware" for the CPH2557 must include:
seccfg, persist, mdm, protect1, protect2, and nvdata.