GSM-Forum - How to solve this?

Hello Z3X Team,

I have C5212 restart fault without sim working ok when i insert SIM cell bcome restart again and again here is info

Selected model: C5212_m
Selected com port: COM38
Selected speed port: 921600
Please, connect phone and press power button 3 seconds
Phone Detected
Use automatic parameters
Phone in TAT MODE
Phone IMEI: 35819202107456
Phone SW: C5212DXIC6
Phone BT ADDR: 0024-91-82F1DF
Phone SN: RW7Z385122
Deactivated MSL - TRUE
[FREZEE]: 24681140
[NET Lock]: 00000000
[Subset Lock]: 00000000
[SP Lock]: 00000000
[CP Lock]: 00000000
[Sim Lock]: 00000000
Read info - ok
Elapsed time: 11 second, sw ver: 3.5.0020