Huawei U2800 at&t provider locked, Easily Unlocked Solution

Huawei u2800 at&t lock, Easily Unlock By Sigma Box

Code:

Tools:
Sigma box/dongle
Usb cable

Code:

Procedure:
1. Open sigmakey
2. Select qualcomm
3. Select correct model
4. Install usb driver, you can download from support
5. Select correct port
6. Click direct unlock