Lava Iris 821 Nougat Custom Rom ViperOS 3.1.1 (MT6580)

ROM Description

ROM Name: ViperOS Rom

ROM Version: V3.1.1

ROM OS: Android Nougat

OS Version: 7.1.2

ROM Base: Lineage OS 14.1

Device: Lava Iris 821

Chipset: Mediatek MT6580 (ARM) (32-bit)

Bootloader: UNLOCKED Bootloader

ROM Kernel: Linux 3.18.19

ROM Status: Stable and Unofficial

ROM Type: De-Odex

ROM Size: 319.00 MB

ROM Language: English/ Multi language supported

ROM Contributor: Arafat Ikram Shanto, Raphsonbd.com

ROM Developer: MT6580 Developer Team, XDA Forum.

ROM Features

Nougat Rom
Based on LineageOS 14.1 – AOSP
Better RAM optimization
Better Battery juice backup
Brightness slider
Brightness icon
Customizable icons
Clock position
Date design
Clean ROM
Carrier Labels
Clock and Date customization.
CPU tweaked
De-Odexed
Data easy toggle
Force expanded notifications
Heads up customization
Lockscreen weather
Multi-screen/ Split screen
Notifications
Network traffic indicators
Notification LED control.
Omni recent
OTA Support
PowerMenu customization
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

Some Minor bugs

ROM Demo

Lava Iris 821 Nougat Custom Rom ViperOS Demo Screenshots — Rom Demo Screenshots

Disclaimer

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 authorswill 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.

Requirements

You must need a unlocked and Custom recovery installed device to use Lava Iris 821 Nougat Custom Rom ViperOS 3.1.1 (Nougat 7.1.2) (MT6580).

ROM Download

In order to use the Lava Iris 821 Nougat Custom Rom ViperOS 3.1.1 (Nougat 7.1.2) (MT6580), first you need to download the Rom from link bellow.

ViperOS Rom
Rom Patch
Gaap (arm ⇒ 7.1 ⇒ Pico/Nano)

How To Flash ViperOS Rom In Lava Iris 821

At first download and copy the ViperOS Rom file in Internal storage/SD-card.
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. If you don’t know how to backup ROM using Custom Recovery then Click Here
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.
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.
Then Wipe Data》Wipe Cache Partition, Wipe Dalvik Cache (You shall find it in Advanced option).
After formatting Cache go to Mount and Storage》Format Data, Format System.
Than come back to main menu of TWRP. After that just click install the ViperOS Rom from SDCARD. After that flash the Rom patch and GAAP file.
Then Reboot your phone. First boot may take up to 5-10 min.
Voila and enjoy the test of Lava Iris 821 Nougat Custom Rom ViperOS 3.1.1 (Nougat 7.1.2) (MT6580).