DESCRIPTION

ROM Mobile 1:1 S21 Ultra SM-G9980 – ROM Android 7.0

ONLY MT6580

ROM Official 1:1 S21 Ultra SM-G9980 Version: I8513.30U.NP2.A.A-F8-Y21B0311 – g9700fxxu1apfo_mmb29k_hct6580_weg_n – hct6580_weg_n:7.0/NRD90M

Gapps include - no Rooted

Language support:  Multilang

Install ROM :

- Unpack FlashTools, and Click on Flash_tool.exe
- Select "scatter-Loading" and search MT6580_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