[ROM] [ 8.1.0 ] Official madOS - Vernee Apollo Lite & X [MT6797]

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By fire855, Inactive Recognized Developer on 25th December 2017, 09:29 PM
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This is a Official Build of madOS ( based on AOSP 8.1.0 ) for Vernee Apollo Lite & X with MTK 6797 SoC

madOS is based on pure A.O.S.P. with many additional customizations and MediaTek support.

 * Your warranty is now void.
 * I am not responsible for bricked devices, dead SD cards,
 * thermonuclear war, or you getting fired because the alarm app failed. 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, and if
 * you point the finger at me for messing up your device, I will laugh at you.

Installation Instructions:

The latest 7.1.2 build must be flashed in SPFT with firmware upgrade mode before this ROM can be flashed (Downloads: VAL, VAX)
  • Download ROM from M.A.D. Facebook
    OR from xda DevDB
  • Download 8.1 GApps from xda devdb (Mirror)
  • Backup
  • Flash new mandatory new Oreo TWRP (available on downloads)
  • Boot to the new TWRP recovery
  • full Wipes (dont come crying if you didn't .. ;p )
  • Install rom (optionally following by GAPPS if you use them)
  • Optional: go to: wipe --> Advanced Wipe, tick 'cache' and klick 'repair or change File System' --> change File System --> F2FS --> swipe to the right (hit back several times, and proceed the same way with 'data').
  • Reboot System

  • RIL (Calls /SMS, Data connection, etc)
  • Wifi
  • Bluetooth
  • FM Radio
  • All Sensors
  • Fingerprint
  • Lights
  • Both storages & MTP
  • HW de/encoding
  • Camera (photos and video)
  • GPS & aGPS
  • Audio
  • madOS Extras (the features ya'all used too), plus, some new features we added on Oreo)


XDA:DevDB Information
madOS_O_VAL_VAX, ROM for all devices (see above for details)

fire855, DerTeufel1980, superdragonpt
Source Code:

ROM OS Version: 8.x Oreo
ROM Kernel: Linux 3.x
ROM Firmware Required: TWRP
Based On: AOSP

Version Information
Status: Stable
Stable Release Date: 2017-12-25

Created 2017-12-25
Last Updated 2018-01-13
The Following 29 Users Say Thank You to fire855 For This Useful Post: [ View ] Gift fire855 Ad-Free
25th December 2017, 09:29 PM |#2  
OP Inactive Recognized Developer
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General F.A.Q.

Q: What the hell is madOS ?
A: madOS, (M.A.D. Team OS), is a ROM based on pure A.O.S.P. with extended capabilities and customizations made by or merge/adapted by M.A.D. Team.

Q: Which recovery should I use for this ROM?
A: Latest M.A.D. TWRP 3.2.1-0 recovery
--> Check xda Download Section

How do i flash new recovery ?
1: You can flash it with a scatter file (LP rom layout)
2: You can simply flash it from the existing twrp recovery: Install> Install image> Select Oreo TWRP> Select "Recovery" as partition to flash.
Reboot to recovery to use new one

Q: Do i need to make full wipes?
A: YES, dont come crying at me, if you didn't .... ;p

Q: What is "full wipes" ?
A: To Wipe : Cache; System; DATA ...

Q: What should i use f2fs or ext4?
A: Both are supported, choose the one you desire

Q: is the Data connection issue of going to / from 4G still present?
A: nope data switchs pretty fast on our new RIL
2G>3G>4G | 4G>3G>2G pretty fast

Q: Does this rom have any Theme support
A: Yup, We have working Theme Engine (madOS extras)

Q: Some translations are missing for my language, can I help?
A: Sure you can, please check our translations repo available here , you can either do a pull request, or if you don't know how to work with git, sent us the XML. Strings for your language ( Check Readme on repo).

Q: I want to report a bug(s) do you have an issue tracker?
A: Yeah... madOS issue tracker

Q: What's working ?
A: Check first Post for current status

Q: App "x" doesn't work, why?
A: Probably not compatible with OREO yet, feedback is welcome

Q: Is the rom rooted?
A: NO, But you can easily root with :
1: Magisk ( v14 onwards.)
2: Super SU ( v2.82 onwards)

Q: Should i root together with rom ?
A: Not advised.. mainly the Magisk that gives some weird issues...
Flash ROM and GAPPS (if you use gapps), after first boot get back to recovery and flash your desire rooting method

Q: Does xposed work?
A: Is there Xposed for O? ... then no ;p

Q: How is battery life with Oreo?
A: Pretty awesome

Q: Does this build support Vulkan?
A: No....duh! v

Q: Does doze work in this build?
A: Yup

Q: Does 4k video recording work?
A: Yes, but not every phone supports it. If 4k worked in the stock rom, it will work in madOS too.

Q: when will (feature/issue here) be fixed?
A: NO ETA , please

Porting F.A.Q.
No porting support, no port questions allowed on this thread, and porting PMs will be auto-deleted, porting replies will be reported as well


Q:What GAPPS package should I use?
A:OpenGapps arm64 nano/mini

Since there's no Official GAPPS for 8.1.0 just yet...
... we had built OpenGapps nano and pico versions
--> Check Download Section

Q: How to properly install GAPPS?
A:Flash Rom + Flash Gapps at once

CREDITS and Thanks

  • madOS Team
  • Our translators, credits list here
  • A.O.S.P.
  • DU (Dirty Unicorns)
  • Omni

HELP supporting madOS

We do this on our free time, however we do have costs on maintaining this :/

Any donation is highly appreciated

You can donate by using
this link

If the above doesn't work in your country, then you can directly donate by using this e-mail adress: [email protected]

About madOS Proprietary Apps

You are NOT allowed by any means, to use our madOS apps on any other build, your rom
This is exclusively for OFFICIAL madOS ROM releases

@To Moderators: Feel free to clean the thread, whenever users start spamming, severe OT, or questioning about porting...
The Following 10 Users Say Thank You to fire855 For This Useful Post: [ View ] Gift fire855 Ad-Free
25th December 2017, 09:29 PM |#3  
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[Stable] Build [8.1.0] 20171225
  • First Release
  • madOS version: 2.1
  • Patch Level: 8.1.0 [OPM1] December 5, 2017
  • Kernel: 3.18.89 (o-8.1.0 branch)

[Stable] Build [8.1.0] 20180102
  • madOS version: 2.1.1
  • Fixed UI lags / hangs
  • Fixed deepsleep
  • Fixed screen recording
  • Fixed video playback issues
  • Updated graphics system
  • Improved GSM/LTE signal handling
  • Fixed alarms
  • Fixed FMRadio
  • Fixed wallpaper scrolling setting in madLauncher
  • Fixed 5GHz hotspot issues
  • Improvements in bluetooth for A2DP
  • Updated included APNs list

madOS color Engine:
  • Rebased & many improvements on the engine
  • Better support on theming Quick Settings
  • New option to override default Google 8.1 QS theming
  • New reset button to get back to default 8.1 theming
  • New MAD mode
The Following 11 Users Say Thank You to fire855 For This Useful Post: [ View ] Gift fire855 Ad-Free
25th December 2017, 09:33 PM |#4  
OP Inactive Recognized Developer
Thanks Meter: 2,941
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Merry Christmas !!
The Following 7 Users Say Thank You to fire855 For This Useful Post: [ View ] Gift fire855 Ad-Free
25th December 2017, 10:13 PM |#5  
Junior Member
Thanks Meter: 2
Thanks. Merry Christmas.
The computer died. I will not make the sd card backup.
25th December 2017, 10:37 PM |#6  
Thanks Meter: 4
Marry Xmas to all.
25th December 2017, 11:02 PM |#7  
Senior Member
Thanks Meter: 558
Wow.... Oreo release and directly 8.1 weeeeeeeeeeee!

Didn't expect this before the new year, what a surprise.

Thanx you @fire855
Thank you MAD-team
25th December 2017, 11:51 PM |#8  
Junior Member
Thanks Meter: 0
How to install ROM and gapps?
On TWRP or using flash?
Thank you
26th December 2017, 12:09 AM |#9  
cedricboquiren's Avatar
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Flag Pasig City
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Should we come from the last 7.1.2 build (which has different partitions from stock)?
26th December 2017, 12:33 AM |#10  
Senior Member
Thanks Meter: 100
I really appreciate the work, but it's somewhat unflashable. New recovery is not stable, it gets stuck sometimes. Also I didn't manage to bring 8.1 to run with Gapps yet.
€: To provide somewhat more information: System crashes when running playstore.
€2: Full wipe made, advanced wipe and wiped every partition. It gets stuck coincidential, there's no proper reason for it, it got stuck once when I flashed MadOS itself, second time it got stuck flashing gapps, so I hope I get it run that night...
€3: Recovery freezes and after 30 seconds (approx) phone reboots.
€4: Nope, I don't get it to work, goddamnit. It freezes almost immediately after I enter my pin.
26th December 2017, 12:44 AM |#11  
Junior Member
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Help please...
I install new TRWP OREO on old twrp...
when reboot the phone shutoff and does nothing... i cant turn on...
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