How to factory unlock any AT&T iPhone 5S / 5C / 5 / 4S / 4 / 3GS / 3 (off contact / under contract) to use it with carriers like T-Mobile, Orange or any other network. AT&T Updated iPhone Unlocking Policy. They now will check if your customer account is in good standing (there are no overdue payments, etc.), and will generally issue an unlock within 5-14 business days. We offer the best Unlocking Service by DigitalUnlocking Company that help speed up this process which may be handy for those who are flying abroad and want to save on roaming charges by using a local carrier. Our prices hinge on numerous factors: 1. unlock service delivery time 2. device contract status (in contact / out of contract) CHECK HERE FOR FREE: digitalunlocking.com/check-att-iphone-contract-expiration-perform-unlocking/ 3. device model The unlocking process is very simple: 1. Check the iPhone IMEI and submit the data to our website: OUT OF CONTRACT IPHONE 3/3GS/4/4S/5: digitalunlocking.com/official-factory-unlocking-method-att-iphone-slow-package/ IN CONTRACT IPHONE 3/3GS/4/4S/5: digitalunlocking.com/officially-unlock-iphone-locked-att-carrier/ ANY IPHONE digitalunlocking.com/official-att-iphone-unlocking-5s-5c-models-working/ 2. Wait a few days we return the answer UNLOCKED 3. Then, install latest version of iTunes 4. Make sure phone is running the latest version updated by official iTunes software 5. Connect phone to iTunes with not accepted (not valid) sim card 6. Wait until iTunes detects the phone 7. Now disconnect iPhone and reconnect after 10 seconds. iTunes will display (Congratulations, Your iPhone is now unlocked) If you are not sure about your network please use our iPhone Network Checker located here: digitalunlocking.com/quick-simple-iphone-network-checker-imei-number/