Using the ADB and Fastboot command (platform-tools), you’ll be able to boot your Android device into the bootloader mode (download mode) which will be easy for you to proceed with further steps. ADB (Android Debug Bridge) creates a connection or bridge between the device and computer to sideload files.
Whereas Fastboot is a more advanced command utility tool for Android devices that works with computers. You can download ADB and Fastboot Binaries (Platform-Tools).
Download HTC USB Drivers
A USB Driver is a set of files that basically allows you to create a successful and strong connection between a mobile device and a computer properly using a USB data cable. Transferring files between the connected devices, flash files on the handset, and more will be useful.
It’s also worth mentioning that mobile devices and other external devices can use and run USB Drivers on a Windows computer, such as a mouse, keyboard, printer, external hard drives, speakers, USB flash drives, etc. You can grab HTC USB Drivers here.
Unlock the Bootloader of Your Phone:
To enjoy any custom ROM, you must first unlock the bootloader on your HTC U11.
Install TWRP Recovery:
You have to install TWRP Recovery on your phone to install any custom ROM on your device. After unlocking the bootloader, follow our guide to install TWRP Recovery on your HTC U11.
Download LineageOS 19.1 / 20 ROM:
Here, you will find the LineageOS for your HTC U11.
| LineageOS 19.1 based on Android 12.1 |
Deleted due to malware in link |
| LineageOS 20 based on Android 13 |
XDA Development Page |
Download Android 12 Gapps:
It’s worth mentioning that most of the third-party AOSP (Android Open Source Project) ROMs (also known as aftermarket firmware) come without any preinstalled Google apps package. You can manually install the Android 12 GApps / Android 13 Gapps by following our guide.
Warning!
GetDroidTips won’t be responsible for any issue that may happen to your device if you flash it on another device and brick it. Do it at your own risk.
Instructions to Install:
- Connect your device to the PC via a USB cable. Make sure USB Debugging is enabled.
- Then head over to the platform-tools folder, type in CMD in the address bar, and hit Enter. This will launch the Command Prompt.

- Execute the below command in the CMD window or enter recovery mode by using the Volume and Power button combination. your device to TWRP Recovery:
adb reboot recovery
- Now head over to the Install section and navigate to the downloaded vendor and firmware. Perform a right swipe to flash it.
TWRP Home
- If you want Google Apps as well, then you need to flash it at this instance itself. Go to Install, select the GApps ZIP file, and perform a right swipe to flash this file.
- When that is done, you may reboot your device. Head over to Reboot and select System.

Your device will now boot to the newly installed OS. With this, we conclude the guide on how to install the LineageOS 19.1 / 20 on HTC U11. Do keep in mind that the first boot might take up some time and you might have to set up your device from scratch.