1. Power off your phone.
2. Insert a non-AT&T SIM card.
3. Power on your phone.
4. You should see a message that says "Enter Network Unlock Code."
5. Enter your network unlock code and press OK.
6. Your phone will now be unlocked.
Note:
- You can obtain your network unlock code by contacting your carrier or by purchasing it from a third-party website.
- Unlock codes are usually generated using the IMEI number of your phone.
- If you enter the wrong network unlock code too many times, your phone may be permanently locked.
Method 2: Using a mobile unlocking service
If you are not comfortable unlocking your phone yourself, you can use a mobile unlocking service to do it for you. These services typically charge a small fee and will usually require you to provide the IMEI number of your phone.
Once you have paid for the service, the company will send you the network unlock code and instructions on how to enter it into your phone.
Note:
- Make sure to use a reputable mobile unlocking service to avoid being scammed.
- There are many different mobile unlocking services available, so compare prices and reviews before choosing one.