[ROM][10.0] YumiOS Q V3.0 for Exynos 7870 Variants [J701x]


Senior Member
Sep 30, 2015
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Welcome to YumiOS Rom for Exynos 7870 Variants

YumiOS - the revolutionary OS that maximums your phone's performance to a new level.

I am not responsible for bricked devices, dead SD cards, thermonuclear war, or you getting fired because the alarm app failed. Please do some research if you have any concerns about features included in this ROM before flashing it! YOU are choosing to make these modifications, and if you point the finger at me for messing up your device, I will laugh at you.

Some information you should know...
  • This is a full Samsung OneUI 2.5 port with Android version 10.0
  • If you want to report a Bug, read the F.A.Q First Then provide a logCat OR LoggingKit.zip with detailed explanation
  • Read the instructions and the F.A.Q Before installing the rom or posting a reply.
  • Any sort of File Kanging will be reported without hesitation.
  • If you like this rom and appreciate my efforts, Hit the Thanks button, and consider a donation

RULES OF POSTING : READ everything before commenting, And especially the inital steps, the rom has been tested throughly for a long time, so if you have an critical issue like not booting or no sim, you missed the instructions, posts that are irrelevant to this project will be ignored(Constructive criticism is welcomed). If you do face a new bug however, dont just say "hey bug here" provide more information, and a LOGCAT, bug reports without logcats will most likely be ignored.

  • Based on Galaxy S9 2021 Q base (leaked)
  • Android 10
  • Samsung OneUI V2.5 Features
  • Deodexed
  • Full DualSIM Support
  • SafteyNet CTS Pass
  • Heavily debloated
  • Zipaligned
  • Very Optimised
  • Battery and performance focused
  • Full Samsung OneUI without missing vital apps
  • Rootable with Magisk
  • RMM/KnoxGuard/Defex Free
  • And many more

Extra Features :-
  • AlwaysOn Display (for Amoled screen powered variants only)
  • Contains all features from S9 minus hardware specific ones (Iris/faceunlock etc)
  • All the original features are present (Wifi,Bluetooth etc)
  • Jan security patch
  • BluelightFilter
  • S9 Infinity Wallpapers
  • Debloated via Aroma (Email, Calculator, Video, Music, Voice Recorder, etc)
  • Custom Fonts/Emojis included (And 1120 Font mods/Google fonts etc)
  • Patched for Single/Dual SIM + SDCard
  • Wifi S-Secure
  • Native Screen Video recorder
  • Native Call recorder
  • Enabled some csc features (call record, status bar network speed etc.)
  • Google LiveCaptions
  • LiveFocus on front camera
  • DolbyAtmos
  • Heavly optimised for Exynos 7870 variants with their own seperate configrations
  • Adjusted the framework for 16:9 Aspect ratio
  • DE-Knoxed and disabled Additional samsung root preventions and security spams
  • S10+ OMC
  • VoLTE Support for INS users and countries that use it
  • Uptodate APN Configration
  • Many prop tweaks
and many more!

AresKernel V8.0 :-

All of the custom kernel features can be controlled using HKTweaks by @corsicanu

  • Now maintained by me, thank you for giving me perms @SPARTANICUS!
  • Full Android Q Support
  • Compiled with GCC 9.2 toolchain
  • Optimized for battery and performance
  • Tons of under the hood improvements
  • Upstreamed to 3.18.140
  • F2FS Support
  • R29P0 GPU
  • GPU Overclocking / Voltage & Thermal control
  • CPU Voltage Control And underclocking
  • Devfreq Voltage control
  • Compiler optimizations
  • Many wakelocks blocked by default
  • BoefflaWakelock Blocker
  • Magisk Support
  • Aggressive samsung wakelocks block toggles
  • Battery charger controls
  • Tuned SWAP rate
  • Dynamic Fsync Driver
  • PowerSuspend Driver
  • Greatly improved scheduler and governor
  • And many others that can be found on github
  • Support for NFC and Smart Cases on Q
  • Improved interactive Governor
  • Disabled GPU boosting little cores
  • Disable DVFS fully
  • Reduced power consumption during video playback
  • Improved Binder performance
  • And much more

  • Make sure you have latest OrangeFox Recovery installed.
  • Make sure you have atleast 50% charge
  • Backup Everything
  • Make sure OEM unlock is unlocked
  • Flash create-vendor if you haven't already
  • Do a FULL wipe (system, vendor, data, cache, dalvik), and preferably internal storage if you're on stock
  • Flash the rom zip
  • After the boot animation is on for 15~20 Seconds. Hold VolumeDown+power until the device reboots
  • To root, flash Magisk after a successful boot

  • IrisScanner / Faceunlock does not work
  • Maybe some issues with some variants, I don't own all the devices, so if you face any, report bugs on my Telegram group

IF you helped in this rom and i forgot you, Send a PM or contact on Telegram
@Astrako without his helps, this ROM will never be bugless.
@Anan1211 for helping with stuff/several contribution to exynos7870
@SPARTANICUS for AresKernel and previous kernel releases
- my telegram testers @azsuperBored, @kique119, @OZIM2001, @ljjehl, I remember

Downloads. Changelogs , F.A.Qs below

XDA:DevDB Information
YumiOS Q for Exynos 7870 Variants, ROM for the Samsung Galaxy J7 Nxt


bien2004official, Astrako, ananjaser1211
Source Code: https://github.com/bien2004official/Ares_7870

ROM OS Version: Android 10
ROM Kernel: Linux 3.x
ROM Firmware Required: Pie Bootloader
Based On: OneUI

Version Information
Current Stable Version: 3.0
Stable Release Date: 2021-01-01

Created 2020-07-25
Last Updated 2021-01-01
Last edited:


Senior Member
Sep 30, 2015
Bình Định
Downloads and changelogs

NewsChannel : Telegram
Support chat : Telegram
Download: GDrive | GDrive Mirror 1 | GDrive Mirror 2
P.S : if you had issues downloading from Drive, sign in and save the file to your drive. the file name will show up as Copy of YumiOS*

- Updated and Rebased to G960FXXSCFTK2 January Security Patch
- Rebase includes S9 FW + OneUI 2.5 Apps/Features
- Includes all the software fixes and updates from Previous Versions
- Added support for A320X, G610X, J530X, J701X, J710X, J730X, J600X
- Removed unsupported features/APKs
- Now powered by Aroma Installer
- Integrated some mods, Fixes And Aroma features
- Overall Major improvements in stability and performance
- Disable ADB Debugging by default for extra protection
- Updated AresKernel to V8.0

- Rebased to J600FNXXU8CTF5
- N960F OMC
- Added support for J530X/G610X
- Fixed Bluetooth (special thanks to @Astrako)
- Fixed video artifacts problem
- Added SecureFolder
- Fixed wrong camera resolution and added new modes
- Added AresKernel V6.0

- Initial release
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Reactions: Astrako


Mar 28, 2020
i installed and use rom for about 2 days ,Thanks for stable and better rom ,but have a problem when i intalled for first time and boot it says optimizing apps and take about 30+min i says this is first time booting maybe longer,but i realized that when ever i clear dalvik cache it got again and make cache for all apps,this take about 2.0+ GB of additional storage on my device and take longer to boot
:Finally words can you fix making dalvik cache on boot of apps
or any script that do this ?
again thanks for this best rom.
Last edited:


Apr 24, 2017
Hello I want to download the YumiOS ROM, but I get a warning "You need access" in google drive it seems that the links are not shared, you have to activate "Link sharing on" I hope you solve it, thanks. :)✌