HTC One M9 Nougat Custom ROM ViperOneM9

HTC One M9 Nougat Custom ROM ViperOneM9 (Nougat 7.0) (Official)

ViperOS rom for HTC one M9 / ViperOneM9 is a custom ROM based on the HTC’s stock ROM. with tons of customization options. It is based on Android Nougat 7.x with HTC’s Sense UI 8 over it. Venom Tweaks is the reason to install this ROM, Venom tweaks provide over 300 options to configure individually Venom Tweaks and all other customizing options in the ROM gives you the control of your device. For additional information, download link and installation method of HTC One M9 Nougat Custom ROM ViperOneM9 (Nougat 7.0) (Official), please check out the full article bellow.


HTC One M9 Nougat Custom ROM ViperOneM9 (Nougat 7.0) (Official)

HTC One M9 Nougat Custom ROM ViperOneM9 (Nougat 7.0) (Official)

Viperos Custom Rom


ROM Description

ROM Name: ViperOS

ROM Version: 5.8.3

ROM OS: Android Nougat

OS Version: 7.0

ROM Base:  Sense 7.0

ROM Kernel: Linux 3.4.x

ROM Status:  Stable

ROM Size: 2.00 GB

ROM Courtesy: XDA (ViperOS)

ROM  Language: English/ Multi language supported

ROM Contributor: Arafat Ikram Shanto,

ROM Developer: ViperOS Team.


ROM Features

  • Android Nougat 7.1 Rom
  • Based On LineAge OS
  • CM Theme Engine
  • New System UI
  • RR System UI
  • Better RAM Management
  • CPU Kernal Tweak
  • Heads UP Notification
  • Blur Status Bar
  • New Dialer
  • New Phone Contact
  • New Setting UI
  • OTA update
  • Explore more by yourself
  • Everything Working – Ril (Call, Data, SMS) Working, Dual Sim Card, Dual Sim 3G Supported, Wifi, Hotspot, Bluetooth, Data Connection, 2G/3G Switch, Ussd, Mic, Gps, Camera, FM Radio, Vpn, Youtube 720p, Gallery 1080p, Both Storage Mount (Android+PC), Usb Connection, MTP, Audio, Video, Audio Recording, Video Recording, Screen Recording, Offline Charging, Flash-light
  • And So Much More…


Known Bugs

  • No Major Bugs



Modification of your android device such as Rooting or flashing Custom Recovery/ROM/tweaker’s results to void of the warranty of the device. (We) RaphsonBD and its authors will not responsible for bricked devices / dead SD-card or any damage in your device which is incurred in the process of installing tweaker/ recovery / rom / firmware / rooting / unlocking or any development process the device. We highly advice you to take a backup of your device prior to performing the process. 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. Nevertheless if you need any help, just comments here. We will always pleased to help you.



You must need a unlocked and Custom recovery installed device to use HTC One M9 Nougat Custom ROM ViperOneM9 (Nougat 7.0) (Official).


ROM Download

In order to use the HTC One M9 Nougat Custom ROM ViperOneM9 (Nougat 7.0) (Official), first you need to download the Rom from link bellow.


How To Flash ViperOneM9 Rom in HTC One M9

  1. At first download and copy the ViperOneM9 Rom file file in Internal storage/SD-card.
  2. It’s wise to backup your Current ROM, no matter how confident or experienced you are. So anything happen unpleasant you can retrieve back your old ROM
  3. If you don’t know how to backup ROM using Custom Recovery then Click Here
  4. Then Go to phone’s custom recovery mode. Almost Every phone by pressing Power button + Volume up/down button  button all together you can access your phone recovery options.
  5. After successfully entering the Custom Recovery Option TWRP first & foremost take a backup up of your current ROM. Select “Backup” 》Select storage 》 backup process may take 5/7 minutes.
  6. Than Wipe DataWipe Cache PartitionWipe Dalvik Cache (You shall find it in Advanced option).
  7. After formatting Cache go to Mount and StorageFormat Data, Format System.
  8. Than come back to main menu of TWRP. After that just click install the ViperOneM9 Rom from SDCARD.
  9. Then Reboot your phone. First boot may take up to 5-10 min.
  10. Voila and enjoy HTC One M9 Nougat Custom ROM ViperOneM9 (Nougat 7.0) (Official).



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