
This is the safest method for offline flashing using a MicroSD card (at least 8GB). the SD card to FAT32 .
You can find the official flash files and drivers at the following reputable sites: Provides direct downloads for C431 stock ROMs (Android 9 and 10). This is the safest method for offline flashing
Connect to Wi-Fi; the device will search for and download the latest available firmware automatically. This is the safest method for offline flashing
Extract the downloaded firmware and move the file (and any required data zips) into the dload folder. Power off your phone. This is the safest method for offline flashing