This official firmware can be used to fix software problems and restore your Itel S21 smartphone to the way it was when you first bought it. The root and all modified system software will be erased by this ROM. Also, this ROM will replace all of your phone’s data with factory software if you flash it on your device. As a result, a backup is required before beginning this procedure.
When backing up data, make sure to include important items like contacts, messages, and app data. Before flashing or resetting your smartphone or tablet, this is usually a required step. In most cases, once the flashing process is complete, all data on the device is completely lost. Ignore this step if your device is stuck on the boot logo or won’t boot at all.
Also, make sure the phone is charged to at least 30% capacity before flashing. If the flashing process is stopped because the phone’s battery is low, it could cause unexpected things to happen, like serious damage to the phone.
Follow the recommended flashing instructions after downloading the firmware from the link below. Please let us know if any of the links on this page are broken.
Itel S21 Firmware Build and Download Details:
Size: 2 GB
Important! Always backup the existing firmware before flashing any other firmware.
How to flash
After you’ve downloaded the firmware from the link above, extract the files from the archive to a folder on your computer that isn’t being used. Get a functional USB cable, then follow the instructions via this link to learn how to flash the firmware.
If you have any questions or suggestions, please leave them in the comments section.