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[UNOFFICIAL][10.0] LineageOS 17.1 for cepheus

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Cozzmy13

Senior Member
Aug 17, 2014
1,311
3,748
21
Suceava
DOWNLOAD

PRE-INSTALL
0. Make sure your bootloader is unlocked.
1. Flash and boot into MIUI 11.0.7.0.
2. Flash vbmeta.img using the following command.
Code:
fastboot flash vbmeta vbmeta.img --disable-verity --disable-verification
3. Flash TWRP.

INSTALL
1. Reboot to recovery.
2. Install ROM.
4. Format data.
5. Reboot.
Note: Google Apps are included.

BUGS
You tell me!

DONATE

SOURCES
DEVICE:
https://github.com/Demon000/device_xiaomi_cepheus
https://github.com/Demon000/device_xiaomi_sm8150-common
KERNEL:
https://github.com/Demon000/kernel_xiaomi_sm8150
REPOPICKS:
Code:
repopick 272303; # DozeSensors: do not use proximity sensor if not supported
repopick 276500; # surfaceflinger: Add support for extension lib to get changed z order
repopick 269018; # Revert "FODCircleView: dispatch onPress to HAL only after dimming is applied"
repopick 276504; # FODCircleView: Add support for pressed fod layer
repopick 276156; # sdm: mark FOD pressed layer by setting a bit on ZPOS
repopick 276499; # soong: Add flag for fod extension
LOCAL MANIFESTS:
Code:
<?xml version="1.0" encoding="UTF-8"?>
<manifest>
        <project name="Demon000/device_xiaomi_sm8150-common" path="device/xiaomi/sm8150-common" remote="github" revision="lineage-17.1" />
        <project name="Demon000/device_xiaomi_cepheus" path="device/xiaomi/cepheus" remote="github" revision="lineage-17.1" />
        <project name="Demon000/kernel_xiaomi_sm8150" path="kernel/xiaomi/sm8150" remote="github" revision="lineage-17.1" />
        <project name="Demon000/vendor_xiaomi" path="vendor/xiaomi" remote="github" revision="lineage-17.1" />
        <project name="LineageOS/android_hardware_xiaomi" path="hardware/xiaomi" remote="github" revision="lineage-17.1" />
</manifest>
 
Last edited:

Cozzmy13

Senior Member
Aug 17, 2014
1,311
3,748
21
Suceava
Hello,

I assume this ROM uses newly available kernel sources? https://github.com/MiCode/Xiaomi_Kernel_OpenSource/tree/cepheus-q-oss

Does it fix any issues that were present in P? Like fingerprint with screen off? https://github.com/MiCode/Xiaomi_Kernel_OpenSource/issues/1164
What prevents this ROM from becoming official?

Stop mentioning fingerprint with screen off. That doesn't exist. Screen cannot possibly be off if the fingerprint icon is shown. Xiaomi has a special AOD mode for that. We don't. And we don't intend to implement it.

Also, 17.0 is not officially released yet, so an official release for our device is not possible yet.
Besides that, NFC and sepolicy need to be fixed.
 
Last edited:

aero7even

Member
Oct 13, 2015
30
1
First of all, thank you for your effort to port this ROM to the Mi9. Lots of things are already working good in this version but I'm facing problems with the sound. There is no sound from spotify, no notification sounds and voice massages can not be played in WhatsApp.
Is it just me, or does somebody else have this problem too?

Btw. I'm coming from syberia project and installed the ROM the way described in the first post.
 

TjKy

Member
Oct 5, 2010
14
0
First of all, thank you for your effort to port this ROM to the Mi9. Lots of things are already working good in this version but I'm facing problems with the sound. There is no sound from spotify, no notification sounds and voice massages can not be played in WhatsApp...

Haven't experienced anything like this, sound works properly here.
 

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  • 60
    DOWNLOAD

    PRE-INSTALL
    0. Make sure your bootloader is unlocked.
    1. Flash and boot into MIUI 11.0.7.0.
    2. Flash vbmeta.img using the following command.
    Code:
    fastboot flash vbmeta vbmeta.img --disable-verity --disable-verification
    3. Flash TWRP.

    INSTALL
    1. Reboot to recovery.
    2. Install ROM.
    4. Format data.
    5. Reboot.
    Note: Google Apps are included.

    BUGS
    You tell me!

    DONATE

    SOURCES
    DEVICE:
    https://github.com/Demon000/device_xiaomi_cepheus
    https://github.com/Demon000/device_xiaomi_sm8150-common
    KERNEL:
    https://github.com/Demon000/kernel_xiaomi_sm8150
    REPOPICKS:
    Code:
    repopick 272303; # DozeSensors: do not use proximity sensor if not supported
    repopick 276500; # surfaceflinger: Add support for extension lib to get changed z order
    repopick 269018; # Revert "FODCircleView: dispatch onPress to HAL only after dimming is applied"
    repopick 276504; # FODCircleView: Add support for pressed fod layer
    repopick 276156; # sdm: mark FOD pressed layer by setting a bit on ZPOS
    repopick 276499; # soong: Add flag for fod extension
    LOCAL MANIFESTS:
    Code:
    <?xml version="1.0" encoding="UTF-8"?>
    <manifest>
            <project name="Demon000/device_xiaomi_sm8150-common" path="device/xiaomi/sm8150-common" remote="github" revision="lineage-17.1" />
            <project name="Demon000/device_xiaomi_cepheus" path="device/xiaomi/cepheus" remote="github" revision="lineage-17.1" />
            <project name="Demon000/kernel_xiaomi_sm8150" path="kernel/xiaomi/sm8150" remote="github" revision="lineage-17.1" />
            <project name="Demon000/vendor_xiaomi" path="vendor/xiaomi" remote="github" revision="lineage-17.1" />
            <project name="LineageOS/android_hardware_xiaomi" path="hardware/xiaomi" remote="github" revision="lineage-17.1" />
    </manifest>
    17
    New build is available, lineage-17.0-20191227-UNOFFICIAL-cepheus.zip.
    Changelog:
    * fixed DT2W
    * add power hal based on google's implementation for pixel phones (should improve smoothness without greatly affecting battery life)

    You can find the ROM in the DOWNLOADS directory on the first page.
    17
    New build is available, lineage-17.0-20191226-UNOFFICIAL-cepheus.zip.
    Changelog:
    * updated to december patch
    * includes all the features Google added with this incremental release of Android

    WARNING: a clean flash is most likely needed.

    You can find the ROM in the DOWNLOADS directory on the first page.
    14
    New build is up, lineage-17.1-20200518-UNOFFICIAL-cepheus.zip.

    Changelog:
    * fixed DT2W, can be enabled in settings
    * fixed ANX Camera once and for all (install cust libs for portrait mode)
    * misc changes in preparation for official builds
    * misc kernel improvements

    EDIT: removed build temporarily
    EDIT: build added back
    14
    New build is up, lineage-17.1-20200110-UNOFFICIAL-cepheus.zip.
    Changelog:
    * removed some wrong kernel optimization commits
    * fixed hotspot mac generation for some users, might fix hotspot errors for them
    * fixed ims services spam
    * fixed time services certificate
    * fixed notch config, fixes notch eating app space in instagram
    * fixed fod dim in aod
    * fixed aod black issue
    * fixed occasional low framerate when waking up from aod issue
    * fixed ril sar sensor usage, might provide better mobile data speed when not touching the phone

    Bugs:
    * NFC
    * DT2W