How To Tweek Imei Using MTK engineering mode After you've gotten the full imei, write it down, close imei Analyser and open MTK engineering mode. After opening MTK engineering Mode click on MTK Setting Then, swipe your screen to the left to view more options. Then select CDS Information Then select radio information. Then select phone 1 if you want to change the imei for SIM1 or phone 2 for sim 2 press E on your keypad it will drop down some options, for sim 1 select AT+EGMR =1,7,"" For sim 2 AT+EGMR=1,10,"" After that put the new imei between the "" like this AT+EGMR=1,7,"358429063123457" Then put a space in between AT and + so it appears like this AT +EGMR=1,7,"358429063123457" then press sendAT command. A message should pop up saying "At command is msent". After that toggle your phones's airplane mode on then off. Your imei should have changed *#06# to check. Note :- I strongly advice you copy your phones original imei before changing RUSCOLINKLTD