Step 1

Download DC Phoenix software here

Launch the program

If there is no DC-Unlocker/Rocker/Vygis or Infinity dongle connected to PC, then log in screen will appear. Use your account details to log in

How to get Username/Password check here

Step 2

DC Phoenix software window will appear

Step 3

Select "Fastboot mode", open "APP Files" tab

Step 4

Make sure you have HiSuite installed (but closed) on your pc, it will be necessary for latest device drivers

Connect phone in fastboot mode. Power down mobile device. Hold Vol- and connect phone to usb cable, this will enter fastboot mode.

Note: remove SD card from mobile if there is one inside.

Step 5 

Press paper icon next to "Update file" field

Step 6 

Select update.app file for flashing. Click "Open"

Step 7

Now it's ready for flashing, press "Update" button (ignore deselected items in image below, flash with all selected)

Step 8

Monitor the process

Step 9

Wait for flashing to finish, when it's complete you will see message on program's memo window 

Disconnect phone from PC and restart to end the process