Install Android 8.0 Oreo TO HTC One M8 Via Lineage OS 15 OS Custom ROM

If you own HTC One M8 and want to upgrade it to the latest Android OS which is known as Android 8.0 Oreo then you are at right place. In this detailed guide, we have good news for all HTC One M8 users. Now you can update your device to the latest build of Lineage OS 15 custom ROM based on Android 8.0 Oreo. All credit goes to XDA Recognized Developer bgcngm and his hard work to build this amazing custom ROM. This latest custom firmware comes with many new features and customizations like a picture in picture mode, app notification badges, New Notification UI, Settings Overhaul changes, New Android O Emoji style and much more. This ROM is not officially announced by HTC / Google but just a custom ROM. By following this simple step by step guide you can easily update your HTC One M8 to Android 8.0 Lineage Os 15 Oreo custom ROM. Your device should be rooted and installed with the latest version of a custom recovery like TWRP or CWM (ClockworkMod) to flash this Lineage OS 15 custom ROM on HTC One M8.

The HTC One M8 was one of the most successful devices from HTC and the smartphone had some kind of great build quality, premium feel and was a beast in performance. We share both single and dual Sim HTC One M8 Lineage OS 15 ROM link. According to the developers, most of the bugs are fixed and can be used as a daily driver. Before proceeding, don’t forget to take a full backup of all your valuable data. If you are interested in installing Android 8.0 Lineage OS 15 Oreo custom ROM on your HTC One M8 then go ahead and follow the given steps.

Install Android 8.0 Oreo TO HTC One M8 Via Lineage OS 15 OS Custom ROM 1

This guide containing the Lineage OS 15 Android 8.0 Oreo custom ROM is working with the HTC One (M8). Do not try to install this ROM on any other device, or your device might get bricked.


AndroidBlog will not be held responsible for any damage occurred to your HTC One (M8) during or after the installation of Lineage OS 15 Custom Firmware. Proceed at your risk.


  • Make sure that the battery level of your HTC One (M8) is at least about 80% before proceeding to the installation guide.
  • Download and install proper USB Drivers for the HTC One (M8) on PC.
  • It is highly recommended to take a good backup of your important data and settings on the phone using a custom recovery such as CWM or TWRP. In case anything goes wrong then you’ll be able to restore your data.
  • Enable USB Debugging Mode on One (M8) from Settings > Developer Options.
  • The HTC One (M8) should be rooted with the latest version of CWM or TWRP recovery installed that it supports the new Android 8.0 Oreo-based ROM installations.


  • Download Lineage OS 15 Android 8.0 Oreo Custom ROM for HTC One M8 Single SIM
  • Download Lineage OS 15 Android 8.0 Oreo Custom ROM for HTC One M8 Dual SIMM
  • Download Google Apps

Steps to Update HTC ONE (M8) To Lineage OS 15 Android 8.0 Oreo Custom ROM:

Step No 1: – First, download the Lineage OS 15 Android 8.0 Oreo custom ROM and Google Apps package from the above links on the desktop of your PC. Do not extract these files.

Step No 2: – Now, connect your HTC One (M8) to the PC using its USB data cable.

Step No 3: – Move the Lineage OS 15 firmware, and Google Apps zipped files to the root folder of SD card on your phone.

Step No 4: – Transfer the boot.img file to android-sdk-windows\platform-tools directory on your PC.

Step No 5: – Next, power OFF the HTC M8 to boot into Bootloader/Fastboot Mode. Also, disconnect the USB cable.

Step No 6: – Power ON the device while pressing and holding the Volume Down + Power buttons at the same time.

Step No 7: – Once your M8 is in the Fastboot mode, navigate to android-sdk-windows\platform-tools directory and open Command Prompt within the folder.

Step No 8: – Type the following command and press Enter.

fastboot flash boot boot.img

9: – Now, type the following command and hit Enter.

fastboot reboot

Step No 10: – Follow the on-screen instructions and choose BOOTLOADER -> RECOVERY.

Step No 11: – While the phone is in TWRP Recovery, perform a full data wipe by tapping on the ‘Wipe’ button. Then swipe on the “Swipe to factory reset” option at the bottom.

Step No 12: – Navigate to the Recovery main menu and tap on the ‘Install’ button. Select the firmware.ZIP file that you have already transferred to the root folder of your SD Card on the phone.

Step No 13: –  Swipe on the “Swipe to Confirm Flash” option to confirm installation on the next screen. The installation process will be initiated.

Step No 14: – After the installation is finished successfully, you will see a similar screen like the following:

TWRP Recovery

Step No 15: – Repeat the above-given step for the installation of Google Apps package on your HTC One M8.

Step No 16: – Finally, select the “Reboot System” button to reboot your phone.

Your HTC One M8 will boot now, and it may take about 4-5 minutes to boot for the first time after installation.

Bhatti Junaid

He continuously writes tech articles and development code. Also, appreciates excellent food, exceptional coffee and great company. He has written 266 guides and other posts.

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