How To Flash Pac Stock Rom On Cheers C21
1: Download and Install Spreadtrum USB Drivers on your pc. miss this task If spreadtrum drivers has already installed in your pc then .
2: Download Stock Rom (pac) for your Cheers C21.
3: Download and extract Spreadtrum Update Tool on your pc. After extracting, you
can see the pursuing files.
4: Now available upgradedownload.exe.
5: When Spreadtrum Update Tool is launche, Connect your Android device to the computer ( your device must turn off).
6: Once your Cheers C21 is linked effectively to the computer, go through the Load Packed Button and add the .pac data file (stock rom which comes as .pac)
7: Now effectively added the Pac record in Spreadtrum Update Tool, go through the Start Downloading button to get started the flashing.
8: Through the blinking process your device will restart automatically. After complete blinking, you’ll be able to start to see the Green Passed Subject matter in Spreadtrum Update Tool.
9: You now have effectively flashed your Android os Device using Spreadtrum Update Tool. Once your Android os Device is restarted, Head to Settings > About Cellphone > Check firmware.
Cheers C21(Original Firmware)
Stock Rom Size: 107MB
Android Version: 4.0