LineageOS 15.1 for HTC One M9 – Android 8.1 Oreo ROM

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    LineageOS 15.1 for HTC One M9 (himaul) is now available to download via an EXPERIMENTAL development build. This post provides the download link to the Android Oreo based LineageOS 15.1 for HTC One M9 (himaul) and guides through the installation process of the same. This LineageOS 15.1 for HTC One M9 is brought to you by developer Flyhalf205 and another build is by darobbe.

    Follow the links to get LineageOS 16 and Android Pie ROM builds.


    – If you like this ROM then do consider a contribution to Flyhalf205, darobbe and LineageOS project:
    Donate to Flyhalf205

    If you want the OFFICIAL LineageOS 15.1 update or some more Android Oreo ROMs then stay tuned to the LineageOS 15 page or the AOSP Oreo ROMs devices list page. Here is the LineageOS 15.1 for HTC One M9 VERIZON, instead, if you are looking for !

    THIS IS AN INITIAL TEST BUILD WHICH HAS MANY BUGS. HAVE A BACKUP BEFORE FLASHING THIS AND TRY AT YOUR OWN RISK. Installing a custom ROM requires an unlocked bootloader on HTC One M9, which may VOID your warranty and may delete all your data. Before proceeding further you may consider backup all data on the phone. Understand that you are the only person making changes to your phone and I cannot be held responsible for the mistakes done by you.


    Status of LineageOS 15.1 for HTC One M9 Oreo 8 ROM:

    – Unknown
    – Unknown


    LineageOS 15.1 for HTC One M9 Oreo 8 ROM


    Root binary is NOT inbuilt in LineageOS ROM, so you may need a separate SuperSu package or LineageOS su binary to install to gain ROOT access. Here is LineageOS Rooting guide
    If there is no in-built ROOT or it does not work for some reason then you can try SuperSU rooting guide to enable ROOT access.

    HOW TO UPDATE/INSTALL LineageOS 15.1 for HTC One M9:

    Follow this if you are flashing LineageOS 15.1 for HTC One M9 for the first time, or coming from another ROM:

    Points to NOTE:
    – Try to avoid restoring apps backup using Titanium Backup. It may break things up.
    – Don’t restore system data using Titanium Backup! It will definitely break the current installation.
    – It is also discouraged to Restoring Apps + Data using Titanium Backup.

    • Boot into Recovery.
      Make sure to have a Custom recovery like CWM or TWRP or any other custom recovery. If not then download the recovery for HTC One M9 from above link and follow the Custom Recovery Installation Guide (it’s a generic guide which will work for TWRP as well as CWM recovery or any other recovery)
    • Wipe data factory reset, Cache partition, Dalvik Cache and Format the System partition.
      – Here is a guide explaining how to wipe data using TWRP recovery.This will delete all your data on your phone. You may consider complete backup of your phone data or take a NANDROID backup of the current ROM
      How to backup all data on your Android Device
      how to take NANDROID backup using TWRP recovery
    • Download and Copy the Oreo GApps and HTC One M9 LineageOS 15.1 ROM ZIP file to the phone.
    • First flash the LineageOS 15.1 ROM ZIP file from device. Then flash the GApps zip from your device memory.
      – Here is a post explaining how to install LineageOS
    • Then reboot into recovery (don’t skip this) and flash the Gapps for LineageOS 15.1 package.
      – Here is a post explaining how to flash GApps using TWRP recovery.
    • Reboot and Enjoy Android Oreo with LineageOS 15.1 for HTC One M9.

    Upgrading from earlier version of LineageOS 15.1 for HTC One M9 (himaul):

    Complete the initial setup and enjoy Android Oreo 8.1 with LineageOS 15.1 for HTC One M9. After the installing the LineageOS 15.1 ROM, you may want to enable ROOT access on your phone and here is how you can do that:
    How to Enable ROOT on LineageOS 15.1 ROM.


    Stay tuned or Subscribe to the HTC One M9 (himaul) forum For other Android Oreo, Nougat ROMs, LineageOS 15.1 ROMs, other custom ROMs and all other device specific topics.


    If you found any BUG or if you have any problem on this ROM then here is the dev thread where you can place your concerns.

    ? Google Camera APK | Mod APK


    Guten Tag ! ich habe os 14.1 auf M9 Himaul gehabt und jetzt 15.1 .
    Leider funktioniert kamera nicht ? ( open_gapps-arm64-8.1-aroma-20180515) (open_gapps-arm64-8.1-stock-20180515)
    Bitte um Hilfe
    Bei 14.1 war alles Perfekt!
    Mfg Sepp

    English Translation:
    Good day ! I had Lineage os 14.1 on M9 Himaul and now Lineage 15.1.
    Unfortunately, camera does not work? (open_gapps-arm64-8.1-aroma-20180515) (open_gapps-arm64-8.1-stock-20180515)
    Please help
    Everything was perfect at 14.1!
    Mfg Sepp


    Any ideas on how to fix the camera issue. I installed 15.1 on my htc one m9 earlier today and still having same issue. Thanks

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