I did as described on my Mac Pro: 1. New OTB 16GB iPhone 2. Started iTunes, went into recovery mode, installed 1.1.4 FW via iTunes 3. Shut down iTunes and shut down iPhone 4. Opened ZiPhone and iTunes 5. Pressed home button and connected to Mac and put iPhone in recovery mode 6. Selected Do It All in Ziphone 2.5, in advanced selected Jailbreak, Activate and Unlock 7. Start Process in Ziphone and finished within 2.5 min. 8. Shut down iPhone, replaced ATT SIM with T-Mo SIM 9. NO CARRIER 10. Went ahead and installed BSD Subsystem 2.1 and OpenSSH 11. Reset Network Settings - still NO CARRIER 12. Shut down and power up iPhone - still NO CARRIER 13. Put my SIM in my wife's unlocked 1.1.3 iPhone and it works, but her SIM does not work in my iPhone, as it still has NO CARRIER 14. Verified my SIM works in other phones as well Any ideas would be appreciated.