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[AOSP 8.1] [2019-03-06] Phh-Treble

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Nov 4, 2018


Senior Member
Oct 9, 2012
Since a couple of days I'm back on this beautiful ROM. I would love to have 9.0 but my P20 doesn't ?

Almost everything works smoother on aosp then emui. But there is one thing. Battery life . With emui 8.1 my battery life was for sure 40% better! I installed Greenify. Almost every app goes to hibernate after screen goes off. Location turned off.

What else can I do to expand battery life?


Senior Member
Jan 30, 2015
Not really. I used GSI from @phhusson with minor changes. But I build a custom 8.1, not a stock ROM.
My ProjectConfig View attachment 4647635

Perhaps in guys from Mediatek hide necessary information ...

Oh ok. I thought you'd built your own. Do you mind me asking what changes you made? Also, what does your project config help me with? How can I use it?

Can anyone help me with building a treble enabled TWRP? Been trying, but only getting bootloop, then boots back to system.


Recognized Developer
Nov 2, 2017
Has this rom worked on any of the following devices? :
Honor 10
Huawei p20
Huawei p20 pro
Or the device I own HONOR PLAY because they all have a Kirin 970 so I dont see why not, deliberately did not include honor view.10 because that seems to work with everything


Senior Member
Jul 5, 2018
Install the A only version to test, it should work though.

Sent from my Phh-Treble with GApps using Tapatalk

I downloaded arm_a_vanilla version, but it won't boot.
i wiped system, dalvik, cache, data, and i flashed img file as system image.
and remounted(un-check data, cache, dalvik, system, vendor, and check them again) partitions, and press reboot button, but it just reboots(bootloop)
in reboot tab in twrp, "NO OS INSTALLED" has wrote on top. did i made a mistake? i tried 7+ treble roms before(and same method), but those roms won't worked


Recognized Developer
Jul 23, 2009
I downloaded arm_a_vanilla version, but it won't boot.
i wiped system, dalvik, cache, data, and i flashed img file as system image.
and remounted(un-check data, cache, dalvik, system, vendor, and check them again) partitions, and press reboot button, but it just reboots(bootloop)
in reboot tab in twrp, "NO OS INSTALLED" has wrote on top. did i made a mistake? i tried 7+ treble roms before(and same method), but those roms won't worked

There are known issues with low-end Galaxy devices, that I'm currently working on.
For what it's worth, those devices are neither arm, nor arm64. They are arm64 kernels with arm Android.
(i call that "a64" internally (I need a short name), and "arm_binder64" for the release)


Senior Member
Jun 14, 2016
after i install system-arm64-aonly-gapps-su.img on my Huawei Honor 7a my device keep bootloop

---------- Post added at 07:46 AM ---------- Previous post was at 07:39 AM ----------

after i install system-arm64-aonly-gapps-su.img on my Huawei Honor 7a my device keep bootloop

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  • 437
    WARNING: You'll most probably loose ALL your data, and might break your phone. Please use with extreme caution!

    The goal of this ROM is to provide full Treble-compatible hardware support, and nothing else.
    This means that hardware which DON'T have Treble API won't be supported, like Essential's external camera.
    No feature will be added. This will ease forward porting to new Android versions, which is the very goal of Project Treble :)

    My hope is that other ROM developers will use this ROM as a basis to construct more advanced ROM.

    For a list of supported devices, consult and fill https://github.com/phhusson/treble_experimentations/wiki

    How to flash:
    Follow instructions available at https://www.xda-developers.com/flash-generic-system-image-project-treble-device/

    v29 (2019-03-06):
    - March security patch
    - Fix MT6739 incoming SMS and mobile data

    v27 (2019-01-08):
    - January security patch
    - arm32_binder64 variant
    - Minor stuff

    v25 (2018-09-07)
    - September security patch
    - [Mi 6X/Mi Pad 4] Fix backlight
    - [Mi Mix 2S] Disable fingerprint button behaviour
    - [Galaxy S9/Note 9]
    - Fix (some) MTK incoming call
    - Fix a2dp on some devices
    - Fix boot on some devices

    v23 (2018-08-07):
    - August security patch
    - Fixes tethering on some Qualcomm devices (Thanks @notsyncing)
    - Enable Ambient Display for everyone
    - Add an off-computer flasher (first step towards OTA)
    - Fixes MTP
    - Fixes fingerprint on Moto devices
    - Change Huawei quick charge based on device (Thanks @Dil3mm4 )
    - Fixes camera on Moto devices
    - Fix notches height for some devices (Thanks @tadiT7)

    v22 (2018-07-03):
    - July security patches
    - Fixes Samsung Galaxy S9 fingerprint enrollment
    - Fix in-call audio for Pixel 2
    - Disable night mode on some MTK for which it is very slow
    - Fix wifi tethering on some configurations

    v21 (2018-06-27):
    - [OnePlus 6] Fix booting on A slot
    - [OnePlus 6] Fix userdata filesystem size
    - [OnePlus 6] Include a framework-res overlay (fixes auto backlight, improve battery-life, ...)
    - Fix status bar height for notches on various devices (Thanks @tadiT7)
    - [Samsung Galaxy S9 Qualcomm] Fix backlight
    - Fix webview in Android Go variant
    - Fix audio jack for some devices
    - Fix H264 encoding on Huawei (Thanks @OldDroid)
    - Fix backlight on some SDM845 devices (Xiaomi Mi Mix 2S, Xiaomi Mi8)

    v20 (2018-06-07):
    - June Android security patch level
    - New experimental FLOSS variant (check sources for list of apps)
    - [OnePlus6] Fixes backlight
    - [OnePlus6] Partial support for DnD slider
    - Fixes bug on some A/B devices where device would stop booting after several success

    v19 (2018-06-03):
    - Huawei fast charge (Thanks @flex1911 and @OldDroid)
    - Fix MTK TrustKernel TEE (those devices will need to factory reset!)
    - Support 32bits Android 8.0 devices
    - Rewrite Security Patch Level for Android 8.1 devices, and A/B devices as well. Should fix boot for some devices.
    - Enable GPU profiling on Huawei devices to fix UI glitches
    - Fixed Modded Google Camera installation
    - Use round icons
    - Enable doze
    - New Android Go variant
    - On Huawei devices add "Swipe fingerprint for notifications" option
    - Releases are now compressed with xz. Uncompress before flashing.

    v18 (2018-05-14):
    - Update to Android Security Patch level 2018-05-01
    - Disable HW keystore on mediatek devices using trustedkernel, until it is fixed
    - Re-enable Huawei navigation keys (Thanks @LuK1337 and OpenKirin team)
    - Fixes android build version/security patch level (might lead to stuck on bootanimation some devices)
    - Enable NightMode for everyone
    - Enable automatic backlight with Huawei Mate 9 settings on Huawei devices
    - Remove unnecessary warning on boot (if you still get it, it means it is useful, to tell me!)
    - Include android.system.net.netd, fixes data connection for several Qualcomm devices

    v17: (2018-04-24)
    - Fixes multimedia from SDCard
    - Fixes in-call audio for Qualcomm devices
    - Fixes in-call earpiece/speaker for Foxconn/Qualcomm devices (Razer Phone, Sharp Aquos S2, ...)
    - Fixes signal level for Huawei devices (Thanks to OpenKirin team)
    - Fixes boot on some A-only devices (HTC U11+, Xperia XZ1 at least)
    - Report vendor's security patch level instead of framework security patch level
    - Fix fsck for f2fs (Thanks @flex1911 and @LuK1337)

    v16: (2018-04-05)
    - Fixes MTP access to sdcard
    - v15 was missing graphical glitches fix. Applied it again.
    - Resize /system to maximum size on first boot

    v15: (2018-04-03)
    - Update to 2018-04-01 security patches
    - Fixes FAT sdcards
    - Fixes some USB-C headphones on some devices
    - Fix Essential PH-1 boot

    v14: (2018-03-26)
    - Fixes Galaxy S9(+) backlight control

    v13: (2018-03-23)
    - Disable Android's fake touches, which made unlocking hard
    - Fixes Galaxy S9 boot and WiFi
    - Make system.img back to 1.5GB
    - Disable again adb auth, to help debugging

    v12: (2018-03-05)
    - Updated to security patch 2018-03-01
    - Various stability, behind-the scene, changes
    - Fixes camera on MTK devices
    - Support ARM32 devices
    - Supports HW button backlight

    v11: (2018-02-20):
    - Fixes bluetooth on Kirin 970 devices (Thanks @LuK1337)
    - Fixes sdcard on Huawei devices
    - Includes nfc-nci.conf, should fix NFC on some devices
    - Show real Android version (Thanks @LuK1337)
    - Enable ADB authentification

    v10: (2018-02-18)
    - Android 8.1 !
    - Includes versioned vndk, so devices running both 8.1 and 8.0 should work

    v9: (2018/01/15)
    - Include the compositing fixes for Kirin 970
    - Crude support for Huawei fingerprint gestures (click = home, left = back, right = voice assistant, up = quick settings, down = notifications, long press = recent apps)

    v8: (2018/01/14)
    - Huawei compositing fixes (fixes various graphical glitches)
    - Various su SELinux fixes

    v7: (2017/12/30)
    - Fixes various regressions (APNs, A/B, vanilla, fingerprint ...)
    - Fixes dev/input requirement (not useful to any real-life product yet, afaik)
    - Fixes some not-installable applications from Play Store
    - Fixed substratum in phh's superuser

    v6: (2017/12/19)
    - Major code clean-up. Please report regressions
    - Fixes random reboot on Huawei devices
    - Optionally includes SU (you need to install phh's SuperUser from F-Droid/Play Store)

    v5: (2017/12/14)
    - Fixes FDE decryption (SystemUI was crashing in loop)
    - Use a real list of APNs
    - Include Chrome and Gboard (fixes IME crash when trying to input a symbol)
    - Fixes SEPolicy for Hardware Overlay Picker (should fix crash of Hardware Overlay Picker on startup)

    v4: (2017/12/10)
    - Fixes sdcard in MTP
    - Fixes Dual-SIM
    - Includes hardware-specific overlays:
    - Enable 4G selection in networks
    - Bigger status bar on Essential PH-1
    - Enable navigation bar on HTC U11+

    v3: (2017/12/04)
    - Fixes sdcard in MTP build fail, so will be fixed in next release
    - New variant including gapps

    v2: (2017/11/26)
    - Fix wifi tethering
    - Fix F2FS userdata
    - Fix sdcard
    - Fix fingerprint (Huawei)


    Want to chat about this project? Go to Freenode IRC, #phh-treble.
    IRC: irc://irc.freenode.net/#phh-treble
    WebIRC: http://webchat.freenode.net/?channels=#phh-treble&uio=d4
    Matrix: #freenode_#phh-treble:matrix.org

    Other chatrooms:
    Telegram https://t.me/phhtreble

    Thanks @MishaalRahman and @Exelios for the huge kickstart help

    Thanks to all my donators:
    - @Exelios

    - @fargonaz
    - @VictorM86
    - @howdid
    - @heatfire
    - @ohwarumbloss
    - @RexGoogolplex
    - @abhas.abhia
    - @Emoclaw
    - @Sebianoti
    - @DocRambone
    - @egandt
    - @Blackbird1997
    - @Burakki
    - @josdehaes
    - @TheUndertaker21

    Thanks to the following companies:
    - Huawei, for a Huawei View 10
    - Blackview, for a Blackview A20

    PS: Yes the name sucks, but I'm clueless about a name
    How to know if your phone is supported:

    - Does your OEM provides a stock Oreo ROM?
    No ===> Your phone is not supported
    - Run Treble Check on stock Oreo ROM. Does it say Treble is supported?
    No ===> Your phone is not supported

    If all answers are yes, then your phone MIGHT be supported.
    Test it, and report the result!
    Build script available at https://github.com/phhusson/treble_experimentations/blob/master/build.sh

    Current status:


    Xperia XZ1:
    - Broken camera (because of Sony's DRM)

    Huawei Mate 9 Pro and Honor 9:
    - Fingerprint sensor should have "home" behaviour
    - software keys should be disabled

    Known end-user problems (WON'T BE FIXED in this ROM):
    - No exfat
    Known mess:
    - A-only should use https://android-review.googlesource.com/q/hashtag:"non-ab-boot-gsi"+(status:open OR status:merged) instead of dm-verity hacks
    - the dm-verity work-around is also needed on A/B, so other patches are missing, for some other reason
    - On A/B devices, this system.img effectively transforms the device into a userdebug build. This means adb root works!
    adb root should work on A-only later too, though it requires that the OEM includes https://android-review.googlesource.com/q/topic:move-adbd-to-system+(status:open+OR+status:merged)
    This can probably be worked-around by moving adbd inside a /system/etc/init/xxx.rc
    - ADB auth is totally disabled at the moment on A/B, this is bad, but useful for debugging.
    - Huawei (for instance Mate 9) doesn't declare android.hardware.fingerprint. This ROM does it for them, but this need to be better implemented
    - SuperSU and Magisk screws with SELinux policy. DO NOT USE SuperSU OR Magisk WITH THIS ROM
    There, I released my first Android 8.1 version.
    Overall, I consider it less stable than 8.0, but I think it should be usable.

    For the known limitations:
    - On MTK, camera doesn't work
    - On Huawei, I could get Huawei stock app to run

    And Download manager is still broken, so you still have to kill play store every time you want to download an app...

    Dirty flash should work, but I barely tested it.

    It took me a lot of effort, so please enjoy :)