How To Change A smart phone IMEI without pc

Just enter this code in dialler:-
*#7465625# or * # * # 3646633 # * # *
Now Tap on Call pad or connectivity option
or you have to slide the screen.
Just Look for CDS information (Common
data service information) option.
You will see Radio information there and
after tapping on it.
If you have dual SIM ANDROID then you
will see TWO option select any one on
which you want to write IMEI with.
Now you will have to put your IMEI no in
this manner :-
“AT +EGMR=1,7,”IMEI_1”
and “AT +EGMR=1,10,”IMEI_2” (replace
IMEI_1 and IMEI_2 with your IMEI no)
and tap on send command button.
for Example :- “AT
=EGMR=1,7”9100XXXXXXXXXXXX”
thats all now restart your phone..