ViperOS Extended Custom ROM For Cubot Rainbow

ViperOS Extended custom rom for Cubot Rainbow with MediaTek MT6580, Marshmallow Kernel 3.18.19. ViperOS is an AOSP ROM, stable and battery friendly. The rom contains latest security patches, many features, high Performance, battery friendly and reliability.

ViperOS offers a color engine, it’s simple and a robust theme engine. It contains various predefined colors like White, Dark, Orange, Blue, etc to make your device look good. It also includes Venom, a powerful and integrated Viper SystemUI engine that brings many customizations, from the lock screen to power menu.

ViperOS Extended comes with full Substratum theme engine support, you can apply just any theme to make your device look really attractive. Pitch Black theme is one of the most popular Substratum theme you can try.

Note: This custom ROM is meant to be flashed on Cubot Rainbow with 1GB RAM. See the step by step guide ahead to install ViperOS Extended custom ROM for Cubot Rainbow.

ViperOS Extended 3.1.3 Features

ViperOS Extended comes comes with a variety of features,ranging from the UI to the UX experience, some of which are;

ViperOS Statusbar:

• Traffic indicators
• Statusbar items
• Clock & date
• Battery icon settings
• Carrier label
• Quick settings personalization
• Other status bar settings
• VPN icon toggle
• Data saver icon toggle
• VoLTE icon
• Viper status bar logo
• Option to Display Data Disabled indicator Icons
• Ticker
• Heads up toogle, timeout and snooze function

ViperOS Lockscreen:

• Custom lockscreen settings
• Lockscreen weather
• Option to hide lockscreen clock, date & alarm text
• Hide status bar on lockscreen
• Hide power menu on secure lockscreen
• Hide quick settings on secure lockscreen
• Lockscreen flashlight, double tap anywhere to sleep and
• disable media image

ViperOS Multi-tasking:

• Round button on recents
• Recents style toggle: cards and grid
• Recents membar

ViperOS System:

• Beautiful black theme
• Navbar enable/disable
• Pixel navbar (with animation) toggle
• Dynamic navbar
• Navbar dimensions
• Navbar button layout
• Hardware keys binding
• Hardware keys enable/disable
• Kill app with back button
• Power menu customization
• Heads up toogle, timeout and snooze function
• Reset battery stats
• Wired headset: make ringtone audio focus customizable
• Live volume steps
• Hide arrows in network traffic indicators
• Fingerprint authentication vibration
• Toast icon switch
• Advanced Bluetooth, Data, Wifi Toggles
• Disable/enable screenshot sound
• QS header icon settings
• Header date and time positions
• Unlock keystore with fingerprint
• Ability to toggle vibration when double tapping power
• button for camera
• Double tap to sleep on the navigation bar
• Drop Lineage LockClock, use OmniJaws
• Drop AOSP Clock app, use from Google
• Custom ambient display settings
• Many other customizations, install and take a look

ViperOS Screenshot:

Disclaimer: This site or its authors will not be held responsible f you damage your device in the process of flash ViperOS Extended custom ROM for Cubot Rainbow. Make sure you take a backup before proceeding with flashing any ROM or Mod on this site.

What’s working:

• RIL (Calls, SMS, Data)
• SUBSTRATUM
• XPOSED
• Calls on BOTH SIM( Outgoing, incoming)
• Installed apps shows in drawer
• Wi-Fi
• Bluetooth
• Hotspot
• Camera
• video recording
• Video Playback
• Audio player
• Sensors
• rotatIon
• Flash/LED
• GPS
• FM Radio

All credits goes to Ferris Dahn who ported and added latest security patches to ViperOS along with a few perfromance tweak.

Read also: ViperOS Extended Custom ROM For Cubot Note S

Device info:

Device name: Cubot
Device model: Note S
Device Chipset: MediaTek MT6580
Device Kernel: Linux 3.18.19

ROM Info

ROM name: ViperOS
ROM version: 3.1.3
Android version: Android 7.1.2 Nougat
ROM status: Stable
ROM security patch: latest

How to Flash Viper OS Nougat Custom ROM Cubot Rainbow

• Download viperos coral rom for Cubot Rainbow from the given link below.
• Copy downloaded ROM to the root of your SD card.
• Power off your device and boot into recovery mode.
• In recovery, go to the wipe section and tap advance
• Tick the following: Dalvick art/cache, cache, data and system.
• Now, wipe the selected partitions.
• Return to your recovery main menu and select install.
• Select the storage which you have copied the downloaded rom to.
• Locate the rom zip file and tap to select.
• Follow the on-screen instruction to proceed with the flashing.

Once the installation is complete, reboot your device and wait for it to complete first boot. First boot usually takes 5-10minutes, so don’t panic. That’s it, you’ve succesfully installed Android Nougat custom ROM for Cubot Rainbow.

ROM Credits:

Ferris Dähn (for porting)
ViperOS team
myself for sharing