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Samsung SGH-A667 at&t Network unlock done in Z3x

You can Unlock Samsung SGH-A667 at&t or without at&t do unlock in z3x box in micro uart cable it's simple just following this tutorial step by step you can do easy unlock in z3x box. This unlock phone from TAT mode you can use micro usb cable so you can't see TAT Mode if you use micro uart cable then easily do TAT mode and also remember must your device battery charged  from this method you can unlock device like security lock, screen lock etc lock without any flash so let's go how to network unlock Samsung SGH-A667 at&t.

1. Samsung SGH-A667 at&t or without at&t with battery charged

2. Z3x box

3. Micro UART cable

4. Computer or Laptop

1. Connect Z3x box

2. Open Samsung 2G Tools

3. Choose Model  T259

4. Click on ReadInfo button

5. Attach Micro UART Cable in to Computer or Laptop

6. Insert Micro UART cable in to device without battery

7. Now Insert Battery and Press Power button

8. Then Mobile goes to TAT MODE and wait until full read code

9. Then Full read code see [NET LOCK] this is unlock

10. Type Network in to device

11. You are done

Samsung SGH-A667 at&t Network Unlock done Image