I changed the sim card and now the phone cannot startup.
After booting i show the desktop and directly it reboots
I putted back the original sim card , same problem
I try to boot it without sim card , same problem
.

I thought about the smscon program which is installed but i dont think that it does this behaviour. I tried this command:
smscon -unboot
the few seconds that i have available , same results

Please help me