LineageOS 15 for HTC One M8 – Download and installation Guide

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September 3, 2024 at 12:56 PM #24753
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Android Oreo 8.0 ROM, LineageOS 15 for HTC One M8 has now arrived via an UNOFFICIAL build. If you want the OFFICIAL LineageOS update or some more Android Oreo ROMs then stay tuned to the LineageOS 15 Android Oreo ROMs page or the AOSP Android Oreo devices list page. This Lineage OS 15 for One M8 (m8) is brought to you by developer bgcngm.
DONATION TO DEVELOPER:
– If you like this ROM then do consider a small contribution for bgcngm:
Donate to bgcngm
DISCLAIMER:
THIS IS AN INITIAL BUILD WHICH HAS MANY BUGS. HAVE A BACKUP BEFORE FLASHING THIS ROM AND TRY AT YOUR OWN RISK. Installing a custom ROM on a One M8 (m8) requires the bootloader to be unlocked on the One M8 (m8) phone, which may VOID your warranty and may delete all your data. Before proceeding further you may consider backup all data on the phone. You are the only person doing changes to your phone and I cannot be held responsible for the mistakes done by you.
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Content structure:
Status of Lineage OS 15 for HTC One M8 Oreo 8 ROM:
WHAT’S WORKING:
– WiFi
– Bluetooth
– NFC
– FM Radio
– Telephony
– Audio (Record and Playback)
– Video Playback
– Sensors
– GPS
KNOWN ISSUES:
– Camcorder (workaround: use footej camera app to record video)

REQUIRED LINKS AND FILES FOR LineageOS 15 for HTC One M8 OREO CUSTOM ROM:
- TWRP recovery link for HTC One M8 (m8)
  – Here is theTWRP update guide for the One M8. This TWRP recovery guide requires an unlocked bootloader on the One M8.
- ROM Download link of Lineage OS 15 for HTC One M8
- LineageOS 15 GApps download link for Lineage OS 15 for HTC One M8 Oreo 8.0 ROM (Download ARM32 GApps)
Root binary is NOT inbuilt in Lineage OS 15, so you may need a separate SuperSu package or LineageOS su binary to install to gain ROOT access. Here is Lineage OS 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 INSTALL/DOWNLOAD/FLASH/UPDATE Lineage OS 15 FOR ONE M8 OREO CUSTOM ROM:
1. Follow this if you are flashing LineageOS 15 for One M8 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.
  - Download and Copy the Oreo GApps and One M8 Lineage OS 15 ROM ZIP to your phone.
  - Boot into Recovery. Make sure to have a Custom recovery like CWM or TWRP or any other custom recovery. If not then follow the Custom Recovery Installation Guide for One M8 (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
  - First flash the One M8 Lineage OS 15 ROM ZIP from device. Then flash the GApps zip from your device memory.
    – Here is a post explaining how to install Lineage OS
  - Then reboot into recovery (don’t skip this) and flash the Gapps for LineageOS 15 package.
    – Here is a post explaining how to flash GApps using TWRP recovery.
  - Reboot and Enjoy the Oreo 8.0 Lineage OS 15 ROM for One M8.
2. Upgrading from earlier version of Lineage OS 15 for One M8 (m8):
  - Copy the latest HTC One M8 Lineage 15 ROM ZIP file to your phone.
  - Boot into Recovery.
  - Flash the latest Lineage OS 15 ROM ZIP from your phone.
    – Here is a post explaining how to install LineageOS
  - Then flash the Lineage 15 Oreo GApps package.
    – Here is a post explaining how to flash GApps using TWRP recovery.
  - Reboot and Enjoy
Complete the initial setup and enjoy Android Oreo 8.0 with Lineage OS 15 for One M8. After the installation of Lineage OS 15 for One M8 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.
Stay tuned or Subscribe to the HTC One M8 (m8) forum For other Android Oreo, Nougat ROMs, LineageOS 15 ROMs, other ROMs and all other device specific topics.

If you found any BUGs or if you have any concerns on this ROM then here is the dev thread where you may request the resolution.
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