Caterpillar CAT S31 firmware flash file will help you flash and restore your phone to its default factory state. This is a backup/dump of the stock firmware, done on MiracleBox. Flashing this file will remove root, virus, un-brick, and fix your device if it’s stuck on boot logo. If your phone lags, after flashing it should be better.
It is advised that you backup current firmware and all other important data because, flashing this firmware will completely erase your phone data. Also, only flash your device if you actually know what you’re doing. This is to avoid messing up your device, or turning it into a brick.
Subsequently, ensure the device is charged up to at least 30% so the process is not interrupted due to low battery. If there’s a broken link, do not hesitate to report via the comments section or use the contact form.
You need tools like Miracle Box (Download here) to flash this firmware. Get a working USB cable, then follow the instructions in this video-
If you need any help on this device or flashing instructions, or you’ve got other contribution- do not hesitate to post in the comments section below. We do our best to reply and answer your questions.