: Choose TA-1174 or the SC6531E CPU type from the dropdown menu.

: The tool should show "Spreadtrum Boot Block version 1.2" and begin writing the file. Do not disconnect the cable until you see a "Success" or "Finished" message. Common Fixes & Security Codes YouTube·AD MOBILE GSM SOLUTION

Hold the (usually the center "OK" button or the call button). Connect the phone to your PC via USB while holding the key.

: The BEST2 dongle is required to interface with the phone’s SPD chipset.