Put phone in manufacture mode. On dialpad type *#*#2846579#*#*, select “Project Menu”, “Background settings”, “USB ports settings”, “Manufacture mode”. Then connect it to PC and install drivers (If you do not have separate driver pack for your device, install HiSuite software).
Step 1
Download HCU tool here
Launch software
Step 2
On “Account” tab enter your user name and password. Click “Check account” button and wait to be logged into the server
(You get account after credit purchase, check “BUY” page)
Step 3
Press “Read phone info” button and wait until phone is fully detected
Step 4
Select “Unlock” tab
Step 5
Press “Read Bootloader code” button and wait until code is provided on memo window