Download first the needed files:
Offline ROM Flasher:
Vega PC Drivers:
How to use Offline ROM Flasher?
First you need to Disable your Antivirus and follow the instructions below.
-Install the Vega PC Drivers.
-Extract The Offline ROM Flasher and Copy the .BINX File inside the folder.
-Turn Off your phone and boot to download mode (Power + Volume Up + Volume Down)
-Connect your phone to your PC using USB Cable.
-Open the Sky Offline ROM Flasher folder and the click "Run_Sky_Server.exe"
-You must be running the latest Internet Explorer Browser
-Click the blue arrow and wait for it to load and download the file.
-After downloading your phone will reboot automatically.
-Pull out the battery and boot your phone to stock recovery (Volume Down + Power On)
-On recovery wipe Data Factory Reset and wipe Cache and then Reboot. (It is necessary to wipe after flashing stock rom to avoid stock on Sky Vega logo)
Root it using Framaroot.
Download this file
1. Copy and extract the above file to your internal storage
2. First install the Recovery.apk and Open
3. Inside the recovery app locate the .img file and select it
4. Choose flash to stock recovery and click Yes.
5. It will ask you to boot to recovery and click yes.
vietanhtr of Vegaviet
iljimae28 of SB
edoaker for helping me when I was new to this phone
If I forgot someone tell me.