[MT6580] UMI OS Custom Rom For TECNO K9

UMI OS Custom rom for Tecno K9 with MediaTek MT6580, Android Nougat 3.18.35+. UMI OS delivers a better stock Android experience. Apart from being a fast and clean operating system, UMI OS offers a total security by incorporating with 360, the biggest Antivirus software in China to ensure your phone is secured boot enabled. Now Tecno K9 users can experience the UMI experience on their device.


UMI OS is a customized OS of UMIDIGI smartphone. A big credit goes Kingx Best, the developer who has ported UMI OS custom rom for Tecno K9 users. The rom has been well optimized for battery and performance K9 users.


  • Added latest Opera Mini Browser as the default browser (user app)
  • Added Tweaks: Faster Boot & Reboot, Launcher, Performance, Internet, Streaming, Disable sending usage data, etc
  • Fixed Screen Brightness issue.
  • Improved camera quality and added autofocus.
  • Upgraded camera from 8 Megapixels to 16 Megapixels (check camera settings)
  • Removed Google Apps.
  • Fresh UI
  • Clean Environment
  • No blots (removed gapps and other laggy apps).
  • Double tap on the home button to show the recent menu.
  • Better battery performance
  • Extra tweaks added by Kingx and Charles.
  • Fixed other major/minor bugs found

ROM Screenshots:

What’s working:

– Dual Sim support
– Bluetooth
– Wifi
– Hotspot
– Camera
– Video Recording
– Other features!


– Nothing.

ROM Information:

- Android Version: Nougat (7.1.1)
- Architecture: 32-Bit [ARM]
- Port Chipset & Kernel: MT6580, 3.18.35+
- Stock Chipset & Kernel: MT6580, 3.18.35+
- Screen Size: 720x1280

How to UMI OS custom rom for Tecno K9

  1. First off, back up your important files and data (Contacts, Messages and Call Logs.) to avoid data/file loss.
  2. Now, download UMI OS rom from the download link below.
  3. Boot into TWRP custom recovery.
  4. In recovery, go to advance option and select Wipe » Advanced Wipe » Tick System, Dalvik, Cache and Data only and slide to wipe.
  5. Once wipe is complete, go to recovery main menu and select install, locate the rom you downloaded and swipe to flash.
  6. To root you new rom, flash Magisk or SuperSu.
  7. Reboot the phone. If you’re asked to install Supersu on reboot, Tap “Do not install”.
  8. Finally, wait for rom to boot. The first boot would take 5-10 minutes. Once rom completes boot, restore your contacts, message.

That’s it, you’ve successfully installed UMI OS custom rom for Tecno K9.

Use unlock code to open download page – umios17november

[sociallocker id=”2522″][/sociallocker]

ROM Credits:

- Kingx Best (for porting to Tecno K9).
- Charles (additional tweaks)
- Najmul Hosen Nirob (for sharing post & link)
- Umidigi team
- Hemant Kumar Biswas
- Aosp Team
- Mudasiru Adewale (for sharing)

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