
Here is Celkon A21 stock ROM firmware (flash file) that y'all tin download as well as purpose to flash or charge stock firmware on your Celkon A21 device.
Though this Celkon A21 Stock ROM (flash file) has been checked as well as confirmed to survive for Celkon A21, due to device variations, nosotros cannot guaranty that it volition survive for yours.
Depending on your electrical current OS version, this Celkon A21 stock firmware, when flashed on your device, volition either upgrade, downgrade or unbrick your Celkon A21.
And inwards either case, y'all volition almost probable free all your of import files inwards the device, therefore, y'all ask to backup all the of import files on your device.
Celkon A21 Stock ROM Firmware Download Link(s)
See also: All Celkon Stock ROM Firmware (Flash File)
How to Flash or Upgrade Celkon A21 Firmware
1. Download your Celkon A21 Stock ROM firmware from the link(s) above.
2. Download as well as install Windows device drivers for your Celkon A21. See here: All Android Devices ADB as well as Fastboot Drivers
3. Extract your Celkon A21 firmware on your PC.
4. Now, direct either of the tools listed below here.
Either of the tools tin download as well as flash stock ROM firmware on your Celkon A21. I recommend that y'all direct the i that is almost suitable to upgrade or flash your Celkon A21.
Note:
1. Each of the tools listed inwards a higher house contained measurement past times measurement guides alongside illustrated pictures on how to flash stock firmware on your Celkon A21.
2. If y'all require whatever farther assistance, merely driblet your comment detailing the issue(s) as well as I shall assist y'all revive your Celkon A21 , if ask be.