DESCRIPTION

ROM Mobile UMIDIGI Crystal – ROM Android 7.0

ONLY MT6737T

Official ROM UMIDIGI Version: UMIDIGI_Crystal_V1.0_20171201 - full_wtk6737t_66_n-user 7.0 NRD90M 

C310_DJ_W2_OLD_20171201

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Update Official ROM UMIDIGI Version: UMIDIGI_Crystal_V1.0_20171204 - full_wtk6737t_66_n-user 7.0 NRD90M 

C310_DJ_W2_NEW_20171204

Gapps include -  No Rooted
Language support : Multilang

Install ROM :
- Unpack FlashTools, and Click on Flash_tool.exe
- Select "scatter-Loading" and search MT6737T_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