please check your att imei if you have unlocked because the att is attacking back the unlocker and re locking the imei again so please check your
imei
here my relocked imei
IMEI: 012547001816541
MODEL: IPHONE 4 32GB BLACK
Current Software: 4.3.3
Activated Carrier: AT&T USA
Sold to Country: US
Coverage Status: Out of Coverage
Approx. Purchase: 2010-06-24
Sim-Lock Status: Locked
