need Phone Network Unlocked

mkexpo wrote:

I bought a new phone a year ago.used it for a year without problems a couple of days ago, after resetting home, the iPhone stopped accepting French SIM cards As Apple explained to me, my phone was blocked by your company.  IMEI 35 280684 44882 2 serial number V7G0FHYWCD Please unlock my phone !

Did you buy the phone from Tmobile?