How to know Your China Mobile's IMEI valid or not
2.Compose a new message from your mobile >> Type your 15 digit IMEI number >> Send it to 53232
3.If you get “Success” as the reply, then your mobile IMEI number is valid
4.If you get “Invalid IMEI” as the reply, that means your IMEI number is not valid
5.You are now done.
This will help you to know that your imei number is valid or not