Android based all china mobile IMEI change

All china mobile android based change IMEI [no box,no cable] .hi friend to day i share china mobile android based how to change without any box any cable .100% work this method -

So flowing step---

pay per click
Step 1 > Put double sim in phone on the set.Step 2 > After phone power on dial *#*#3646633#*#*.
Step 3 > A menu will apper on screen , then select GPRS.
Step 4 > To change IMEI 1 select 1ST PDP and input new IMEI and select
Step 5 > After this action order first select "Attached" second
select "Rttached" and all will be done.
P.s.if need to change second IMEI just follow the same steps , only the
difference is on step 4 select 2ND PDP and that's it