I used DC Unlocker to get NCK code to unlock when putting a Sim in. The instructions were a little confusing for me but all you need is the NCK code.
From slickdeals:
This phone can be unlocked for $5 via dc-unlocker. This is a true unlock as the software actually reads the unlock code from the phone itself (which is pretty impressive).
If anyone wants to try this go
https://www.dc-unlocker.com/buy and make a account, deposit 4 euros = 4 credits. Download Hisuit on your pc which will download all the drivers. Plug in your phone, on your phone in the dialer type *#*#2846579#*#* and go into Background settings/USB port settings and switch it to Manufacture Mode.
Back on the computer, Download the DC-Unlocker and open it and set it to "Huawei Phones". Click auto detect and it will show your phone information. Login to your account and click "Read Unlock codes". It will display all the unlock codes for your device instantly(it reads them off your device). The NCK is the network unlock code you are looking for.
**Follow instructions here:
https://www.dc-unlocker.com/huawei-id-unlock
I will read through the threads here for rooting and roms. I would like to get rid of the AT&T bloatware.