: Once the progress bar shows "Passed" or "Success," disconnect the device and power it on. The initial boot may take several minutes. Safety Warnings
: Flashing official firmware will erase all user data . Realme C21-Y RMX3263 Firmware Official Unbrick,...
: Launch the SPD Upgrade Tool , click the "Load Packet" (gear icon), and select the downloaded .pac firmware file. : Once the progress bar shows "Passed" or
: Always use firmware that matches your region and is at least the same or a higher version than currently installed to prevent security-related bricks. Resources click the "Load Packet" (gear icon)
: Install the necessary Unisoc USB Drivers on your PC to ensure the device is recognized in "Download Mode".
The tool should detect the phone and begin the flashing process automatically.