DESCRIPTION

ROM Phone Vertex Impress Stone – ROM Android 8.1.0

ONLY MT6739

ROM Official Vertex Impress Stone version: Stone4G.SH.HW1M.R1.V05 – Impress_Stone-user 8.1.0 O11019

Gapps include – No Rooted

Language support: Multilang

Install ROM:

- Unpack FlashTools, and Click on Flash_tool.exe
- Select "scatter-Loading" and search MT6739_Android_scatter.txt in ROM
- Wait file to be added into Flash Tool
- Select "Download Only" or if upgrade "Firmware upgrade"
- Turn off your phone, remove the battery (if the battery is removable) and replace it after some seconds (and don't turn on the phone).

- Press “Download” button to start
- and connect your phone into the computer via USB data cable.
- The process will start and a red progress bar will appear after color purple, yellow.
- And green circles display
- Finish !

- You can now safely disconnect your phone and turn it on.

※Please make a backup of your device before installing or updating ROM