If device is Unlocked, you can place order for Meid/GSM bypass service.
If your device is Locked you can use network unlock service by imei to unlock your phone first.. Then you can place order for Meid/GSM bypass service
to be sure your phone is supported for bypass can use this free program to check:
1- Download and Install
2- Do Jailbreak your device
3- Place order with Serial Number
4- Do Bypass
Insert the SIM card in your device after doing bypass on Bypass Tool.
Note: This Tools only work with Mac. operating system.