Information about Prototype iDevices:
iPhone4 prototype first reported by Gizmodo. Brian Hogan, a 21-year-old student at the time, admitted to finding the phone at the Gourmet Haus Staudt in Redwood City, California, after it was left behind by an Apple engineer named Gray Powell, and later selling it to Gizmodo. 
- Model: XXXXX
- FCC ID: BCGAXXXXX
- IC ID: 579C-AXXXXX
San Francisco bar iPhone
Probably an iPhone4S prototype lost in a San Francisco bar first reported by CNET.
US T-Mobile iPhone
Probably an iPhone4S prototype first reported by unwired.hk.
- Capacity: 59.1
The finally released iPhone4s has a lower available capacity due to a bigger OS.
- Version: 4.1 (8B117)
The officially released iPhone4s comes with iOS 5.0.
- Carrier: SMC-Voda 8.0
- Model: 995-6049LL
Different to official numbering scheme of Models.
- Serial Number: 8800902DEX3
- Wi-Fi Address: XX:XX:25:00:F6:9D
- Bluetooth: XX:XX:25:00:F6:9C
White Vietnamese iPhone
- Capacity: 58.2GB
- Version: 4.0 (8A216)
Never officially released build.
iPhone4 prototype first mentioned by mydrivers.com (in chinese).
- Carrier: 中国移动 13.0 (China Mobile 13.0)
Officially there is only 中国移动 11.0 available.
- Model: MCXX3CM
Officially CM is no designated Model Region code.
- Serial Number: 5K0XXXXXXXX
- Wi-Fi Address: 5C:49:48:XX:XX:X2
- Bluetooth: 5C:49:48:XX:XX:X1
- IMEI: 00 000000 000000 0
Officially can't be 0.
- ICCID: 898?6? 0?0?10 8110 0136 3637
- Modem Firmware: 06.10.01