[Q] No Simcard...
since I have flashed a custom ROM on my German T-Mobile HTC One w/o simlock (T-Mob_101), I can't use any SIM-Cards anymore nor can they be read. I also tried with the tape trick but neither that does help. I tried to install other ROMs (such as Google Edition and Android Revolution) but still no luck. I'm out of ideas and gonna throw that phone out of the window any time soon.
Please help me this is extremely frustrating, it's a quite new phone I don't want to send it to HTC for repairs.