To restore a dead or bootlooping device, follow these general steps:
The tool should detect the phone and begin the flashing process automatically. 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. To restore a dead or bootlooping device, follow
: Ensure the phone has at least 30% charge before starting to avoid a hard brick during the process. click the "Load Packet" (gear icon)