In most cases, you should use "Download Only." If the phone is completely dead and the standard mode fails, "Firmware Upgrade" may be necessary. Avoid "Format All + Download" unless absolutely necessary, as it may erase your IMEI and NVRAM data.

It matches the exact memory structure of your Nokia 3.1.

It prevents "BROM" errors or permanent hardware damage during the flash process.

Search
Hide Toolbar