Android based china phone imei change without any tool

 

Step 1.Put double sim in phone and power on the set.

Step 2.After phone power on dial *#*#3646633#*#* .

Step 3.A menu will appear on screen , then select GPRS.

Step 4.to change imei 1 select 1ST PDP and input new imei and select ok.

Step 5.After this action in order first select "Attached" , second select "Deattached" and all will be done.

P.S. if need to change second imei just follow the same steps, only the diffrence is on step 4 select 2ND PDP and thats it.