I just want to upgrade my x10 mini from CM7 to CM10 one week ago, but my problems start when I made a backup with xRecovery. After backup I restarted my phone and it was in bootloop, the SE logo, black screen, SE logo...I could go into xRecovery, wipe data, I load backups, tried everything (I can't remember exactly). I know once it stuck with SE logo, and I can't switch off, that point i read that someone has the same with SIM card, so I tried it without SIM. Somehow I could flash the official ROM with SEUS, but it was in bootloop again with SIM, I could start the android without SIM, hope upgrade will solve my problem.
I could upgrade ROM, kernel everything was good, just I could't start it with SIM. I started debug it. If i don't have pin code on sim, it is in bootloop. If i have pin code, it asks me to type, with good pin it restarts, with wrong pin it detects it is wrong, and I can type again. With another sim the system start, but no signal.
So I reading forums, try again everything, while my battery starts strange behaving (stuck at 90%, from 60% to 4% during some minutes while it was charged, and very hot during charging and so on. I thing it is another problem, but i start panic). So yesterday back to the official ROM, can't boot with sim, so try to lock back bootloader with s1tool, but I'm lost. Now I don't know my phone state (how can I check bootloader and simlock?), I start to give it up, but I love my phone, i don't want another, I need it. Is it a hardbrick, or hardware error (antenna, battery), or is there anything that I can try to make it work with SIM (and battery)? Please help.
Both SIM are T-Mobile, my SIM works with another phone, and when I can start the phone with another SIM, in APN-s it list the T-mobile APNs.
Sorry for my English.