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[ROM][11.0] Havoc-OS 4.2 [OFFICIAL] [2021-02-24]

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Dec 10, 2020
OnePlus 6T
OnePlus 8 Pro


Apr 11, 2013
OnePlus One
OnePlus X
After one week of usage, i have some mixed feelings about this rom.

First of all, it is running much smoother than OOS (oxygen marketing fail - smoooooth? not!), so far nothing crashed, it is really stable. Also fingerprint sensor works fine without any issue.

Then some bugs are annoying me, similar bugs as i saw long time ago with 1+1, 1+X, 1+3T phones.
- ghost home gesture/button (while typing, keyboard and bubble minimizes) feels like going back to 2014 issues,
- screen orientation is too sensitive (app opens in landscape mode with phone tilted way less than 45°),
- display brightness has kind of strange scale, mostly is on 100%, also indoor, but outside in the shadow with strong daylight goes under 50%,
- miracast drops connection after few minutes, magisk miracast enabler module does a boot loop. Ungreyed screen cast button without wifi would be great.
- camera sometimes makes a photo (it makes the animation), but it is not saved

Comparing this rom to 1+3T Havoc 3.8, it feels like a step back, that rom was probably the best I ever used (daily using miracast with sygic running, the only rom that didn't freeze if u turned off screen while miracasting - also OOS11 on 8T freezes -.-).


New member
Jan 13, 2021
I don't have any other problems in use. This is the most comfortable ROM I've ever used, but the automatic brightness is brighter in the darker ring. There is no pocket anti touch function. I often touch it by mistake when I put it in my pocket


Senior Member
Jul 12, 2008
Hi, I'm new on OP 8T, former OP 3 oowner.

I have some questions and wasn't able to find them so easily.

1) I've read the installation instructions, do I have to unlock OEM Bootloader before?

- Check, yes as in prior Mobile Phone

2) Is it needed to root device before applying this ROM?

3) If Nr. 2, then MAGISK method?

4) Is unoffcial TWRP recommended, maybe just for NANDROID only?

Thanks a lot for helping me.

Last edited:


Senior Member
Oct 17, 2012
OnePlus 8 Pro
Xiaomi Mi 11 Ultra
Wich GAPPS recommended? OpenGapps 11?

Lots of questions. Gapps are included. Always make sure you are on the latest OOS. Ofcourse you need to oem unlock bootloader, otherwise you wont be able to flash a custom rom.

You can use adb sideload via recovery to flash rom, first fastboot flash recovery recovery.img and then reboot to recovery. Then adb sideload.
Apr 14, 2021
Seems to work for me.

EDIT: Actually maybe not? Playing HDR videos on YouTube Vanced seemingly break the brightness until you restart the device. Which in turn also breaks the color calibration and causes the fingerprint scanner to stop reading.

Every custom ROM I've tried has HDR playback issues. Havoc OS is the only one where, if you have your color space set to "Saturated", it doesn't cause the low brightness/green tint issue when trying to view HDR video. However for this ROM, the HDR option for my PS5 remote play app is not available, whereas it is for other ROMs, so I am curious what the findings/differences are on HDR for this ROM.


Jul 9, 2017
Every custom ROM I've tried has HDR playback issues. Havoc OS is the only one where, if you have your color space set to "Saturated", it doesn't cause the low brightness/green tint issue when trying to view HDR video. However for this ROM, the HDR option for my PS5 remote play app is not available, whereas it is for other ROMs, so I am curious what the findings/differences are on HDR for this ROM.
Oh, I use natural and that's what happened to me.

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    Havoc-OS 4.x is based on AOSP, inspired by Google Pixel.
    Has a refined Material Design 2 UI crafted by @SKULSHADY.
    Many useful features that will blow your mind.
    All you can dream of and all you'll ever need.
    Just flash and enjoy...


    Material Design 2 UI
    Android R Style Screenrecord Dialog
    Rounded UI
    Inbuilt GApps (optional)
    Face Unlock
    Enhanced QS Battery Estimation
    Lockscreen Clocks
    Font Customisation
    Dark Theme Support for AOSP apps
    Notification LED Settings
    Pixel Lockscreen weather
    Signature Spoofing
    Micro-G support
    Lockscreen charging animation
    [SIZE="3"][B][U]Status Bar:[/B][/U][/SIZE]
    Clock & Date Settings
    Custom Logo
    Brightness Control Gesture
    Double Tap to Sleep
    Network Traffic Indicator Settings
    Carrier Label Settings
    Battery Icon Style/Percentage Settings
    Status Bar Icons Toggle
    HD/VoLTE Icon Toggle
    4G/LTE Icon Toggle
    Data Disable Icon Toggle
    Roaming Indicator Toggle
    Small Mobile Type Icon Toggle
    Bluetooth Battery Status Toggle
    [SIZE="3"][B][U]Quick Settings:[/B][/U][/SIZE]
    Quick Pulldown
    Smart Pulldown
    Battery Estimates Toggle
    Background Opacity
    Background Blur Configuration
    Header Image Configuration
    QS Customisations
      Tile Title
      Vibrate on Touch
    Brightness Slider Customization
      Brightness Slider On Bottom/Top/Hidden
      Auto Brightness Icon
      Brightness Control Buttons
    QS Footer Customization
      Settings Icon
      Running Services Icon
      Edit Icon
      User Switcher Icon
    [SIZE="3"][B][U]Ambient Display:[/B][/U][/SIZE]
    Show/Hide Battery Level
    Ambient Options
      Always On
      Always On When Charging
      Wakeup On New Notifications
      Wakeup on New Music (Music Ticker)
      Sensor Based Screen Wakeup (Tilt/Hand Wave/Pocket)
      Double Tap for Ambient Display
    Ambient/Always On Display Brightness Configuration
    Corners Customisation
      Rounded Corner Radius
      Corner Content Padding
    Legacy App Scaling
      Force Higher Aspect Ratio for Selected Apps
      Nav Bar Toggle
      System Navigation Type
      Arrows Keys
    Volume Buttons
      Swap Keys
      Volume Steps
      Long Press to Seek Tracks
      Keyboard Cursor Control
      Volume Rocker Wakeup
      Volume keys Answer Call
    Power Button
      Power Menu Customization
      Lockscreen Options
        Visibility on the Lockscreen
        Advanced Reboot
        Screenshot Option
      Screen-Off Torch
        Double Tap Power Button
        Long Press Power Button
    Back Gesture
      Arrow Animation toggle
      Long Swipe Type (Swipe and Hold/Swipe Edge to Edge)
      Long Swipe Timeout
      Long Left/Right Swipe Action
      Haptic Feedback toggle
    Jump To Camera
    System Navigation Settings
    Prevent Ringing Gesture
    Swipe To Screenshot
    Touchscreen Gestures
    Double Tap to Sleep
    Media Cover Art
    Media Cover Art Blur Level
    Music Visualiser
      Pocket Detection
      Screen Off FOD
      Show Icon
      Recognizing Animation
      FP Authentication Vibration
      FP error Vibration
    Elements Customisation
      Status Bar
      Quick Settings
      Lock Icon
      Charging Info
      Blink for incoming call
      Blink for Call Waiting
      Edge Lighting Customisation
    Status Bar
      Heads Up
      FC Notifications
      Kill App Button
      Noisy Notifications
    Animation Duration
    System Animation customization
    QS Tile Animation Customisation
    [SIZE="3"][B][U]Battery Saving:[/B][/U][/SIZE]
    Smart Pixels
    Suspend Actions
    Gaming Mode
    Wake Up on Charge
    Charging Animation
    Screenshot Type (Full/Partial)
    Adaptive Playback
    Playback Timeout (30sec/1min/2min/5min/10min)
    [SIZE="3"][B][U]Other Features:[/B][/U][/SIZE]
    Vibration & Haptics Customization
    Notch Hide Settings
    Seperate ringtone for SIM1&2
    Screen Refresh Rate (For Supported Devices)
    ALways On Display
    Smart Charging
      Styles and Wallpapers
      Dark Theme
      Accent Colour
      Icon Shape
    [SIZE="3"][B][U]QS Tile Shortcuts:[/B][/U][/SIZE]
      Heads Up tile
      Caffeine tile
      CPU info tile
      Smart pixel tile
      Live Caption
      Screenrecord tile
      Gaming Mode tile
      Screenshot tile
      LTE tile
      Music Tile
      Switch Data Card Tile
      Reboot Tile
      Reading Mode
      Gaming Mode
      Sound Search
      Compass Tile


    Founder & Lead Developer:
    Support Team:


    If you like our work then please consider donating.
    Maintainer PayPal: https://www.paypal.me/cjh1249


    Telegram Support Group: https://t.me/havocofficial
    Telegram Device Specific Support Group: https://t.me/havoc_oneplus8
    Telegram Announcements Channel: https://t.me/Havoc_OS
    Discord Server: https://discord.gg/YfhBCj4


    1. Download the ROM, adb_tools, payload_dumper.
    2. Use payload dumper to extract payload.bin and move img files to adb tools folder.
    3. Reboot phone to fastboot mode, then click "open_cmd.bat'.
    4. Enter these command.
    · fastboot flash recovery recovery.img
    · fastboot reboot fastboot
    · fastboot flash boot boot.img
    · fastboot flash dtbo dtbo.img
    · fastboot flash system system.img
    · fastboot flash system_ext system_ext.img
    · fastboot flash product product.img
    · fastboot flash vendor vendor.img
    · fastboot flash odm odm.img
    · fastboot --disable-verity flash vbmeta vbmeta.img
    · fastboot --disable-verity flash vbmeta_system vbmeta_system.img
    5. Do Enter recovery -> Factory reset if you come from another rom
    6. Reboot and enjoy.


    And all the other Developers, Testers, Donators and Users.


    1249131356, SKULSHADY
    Source Code: https://github.com/Havoc-OS

    ROM OS Version: Android 11
    ROM Kernel: Linux 4.x
    Based On: AOSP

    Version Information
    Current Stable Version: 4.1
    Stable Release Date: 2021-02-02

    Created 2021-02-02
    Last Updated 2021-02-24
    New build is up!
    · Fix audio distortion
    · Fix lag on open app animation
    · Revert back to old brightness config(New config is too bright for daily use)
    · Remove hand wave and pocket toggle in doze setting(We don't have a proximity sensor)
    · Enable burn-in-protection for Ambient mode clock
    · Other tiny improvements

    Download link check op
    Official 4.2 builds have been uploaded on havoc website. Check updates here https://download.havoc-os.com/
    I suspect the other Havoc Features will come when its official.
    I agree if it stays same as PE then there is no point in having it

    Being as PE Plus isn't out, there is a lot more to Havoc. Both are great roms. There are differences, such as kernel. Each has its own optimizations. Everyone should be happy to have more choices for the OP 8 series.
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