Confirm the installation and wait for the process to complete.

To avoid any errors during the verification process, prepare the following items: How to Fix Oppo & Realme Stuck in ColorOS Recovery Mode

Have you successfully flashed your Oppo A57 via SD card? Share your experience in the comments below – including which firmware version worked for you. If you hit an error, describe the exact message, and we’ll help you troubleshoot.

Search for: “CPH1701EX_11_A.XX_Official_Update.zip”

Once in Recovery Mode (using Volume keys to navigate, Power to select):

To ensure the new firmware installs correctly without conflicts, it is highly recommended to wipe the old data first.

Now we move to the phone.