Press and hold down the structural (on the TA-1174 model, this is typically the Center Select Key , Up Navigation Key , or the Star * key ).
Access the extracted folder.
: Open your chosen flash tool and select the firmware file (usually in Connection : Power off the phone. Hold the designated
Press and hold the (usually the "*" key or "OK" center button ).
Launch your servicing application (e.g., Infinity BEST2 , NCK Avenger Box , or UnlockTool ) with administrative rights.
The most stable commercial platform for feature phones.
Power off your Nokia phone and remove the battery if possible.
Power down your Nokia 105 entirely and pull the battery out for 5 seconds, then re-insert it.
If the drivers are configured properly, the program will instantly display a message showing or "Analyzing Device" .
Boot the phone into its local recovery menu using manual hardware key combinations and execute a complete wipe/factory reset factory sweep.
: Keep the phone battery charged to at least 50%.