i think it is true netcome 4s supported as i did this one today
Info:
iPhone 4S 16GB White (5.0.1)
IMEI: 013008008139311
Serial: DNQGLT9BDTD2
Limited Warranty: 2011-12-03 / 2012-12-02
Sold to country: Sweden
Carrier: NetCom Norway
SIM-Lock Status: Unlocked
Done
but the imei they mentioned there is 4g not 4gs so its fake as far as i see this