Step #1: Go to your Downloaded SN_Write_Tool_v1.1752.00. Extract and Open.

Step #2: Open SN_Write_Tool_v1.1752.00 next is go to (System Config).

Step #3: After you Open (System Config) will display this and uncheck the checked box.

Step #4: Now check the box and Input First Eight(8) (********) digits of your (SERIAL NUMBER,IMEI and MAC ADDRESS).

Step #5: Next Click MD1_DB and go to your Stock firmware location. Open (Modem_Database_ulwctg) file for MD1_DB.

For AP_DB also go to your Stock Firmware location. Open (AP_Database file).

Step #6: After that save and click start. Proceed to the last step.

Step #7: Last step Input complete SERIAL NUMBER,IMEI,MAC ADDRESS, and Click OK.

Power off your Device and Connect. Use your USB Cable and push (Volume Down-) do not release wait until your device read.

WELL DONE

Thankyou!!