restart after inserting sim

[princegsm]

sir pls help me
i have a china phone it will restarted after inserting sim.
otherwise without sim it works fine

[bpcentergtk]

fulll backup flash,unlock the phone check it if it doesn't work format the phone,if still the problem won't solve than full flash the phone with similar firmware.

[princegsm]

thanks sir...............

[HUMAYUN]

full format n rebild imei