WARNING: unlock codes does not include bootloader unlock code! 

Step 1

IMPORTANT: Enable "manufacture mode" on your phone. This is done by entering in dial pad code *#*#2846579#*#*, select "Project Menu", "Background settings", "USB ports settings", "Manufacture mode". Then connect it to PC and install drivers

Step 2

Install drivers for your phone by downloading and installing HiSuite software or by downloading this driver pack and applying drivers manually. After driver installation your phone in device manager must look like in the image below

To see how to apply drivers manually click here

Step 3

Launch DC-unlocker software

Detect device by selecting Huawei phones from manufacturers drop down menu list, "Select model" leave on Auto detect (recommended), then read the info on software for how to correctly prepare phone for detection. After phone is prepared, connected to PC and it's drivers installed, click magnifying glass button

Wait till program detects it

Open Server tab, enter your username and password that you received after credits purchase. Click "Check login". (you can buy credits here www.dc-unlocker.com/buy). If DC-Unlocker/Vygis/Rocker/Infinity dongle is connected, only click " Check login "

Click here is you don't know how to get user account

Open Unlocking tab, click “Read unlock codes” button

Wait for device to be unlocked

DC-unlocker services for Huawei Android phones here