DESCRIPTION

ROM Mobile Gretel A9 – ROM Android 6.0

ONLY MT6737M

Official ROM Gretel Version: F662WE1.YX.1A.Gretel.M.HB.H.S13SSXDA.0427.V3.04 - full_f662w_yx_e1_1a-user 6.0 MRA58K

Gapps include –  No Rooted
Language support : Multilang

Install ROM :
- Unpack FlashTools, and Click on Flash_tool.exe
- Select "scatter-Loading" and search MT6737M_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