The Xiaomi Mi 9T sports a 6.39 inches AMOLED capacitive touchscreen display with a screen resolution of 1080 x 2340 pixels with a Corning Gorilla Glass 5 protection at the top of it. The device is powered by Qualcomm SDM730 Snapdragon 730 (8 nm) CPU coupled with 4GB/6GB of RAM. The device comes with 64GB/128GB 0f internal storage. The Xiaomi Mi 9T sports a triple rear camera setup (48MP+8MP + 13MP) and a 20MP front motorized pop-up camera. The device comes running Android 9.0 Pie at the top of Xiaomi’s MIUI 10 (later updated to MIUI 11) skin out of the box. It houses a 4000 mAh non-removable Li-Po battery with support of 18W fast charging. Xiaomi Mi 9T has an under the screen fingerprint scanner.
Pre-Requirements:
Make sure the bootloader on your device is unlocked and your device is rooted and you have a custom recovery installed. Make sure your device has more than 50% battery. Make sure you have taken a backup of your important data. Now proceed To Install Official Lineage OS 17.1 On Xiaomi Mi 9T.
Downloads
Lineage OS 17.1 for Xiaomi Mi 9T: Download Link | Check out the official Xda thread for the latest link and other information Download GApps For Lineage OS 17.1 ROMs
How to Install Lineage OS 17.1 On Xiaomi Mi 9T | Android 10 (Unofficial)
Make sure your device is rooted and have the latest TWRP recovery installed. First, download the files from the above link. Now transfer the downloaded files to the internal storage of your device. Now reboot to the TWRP recovery by holding your power and volume down buttons together for a few seconds. Take a backup by selecting the option from the home screen and then your data and cache from the recovery menu.
Now select install and then browse for the downloaded ROM file and then select it. Next flash the Gapps file and then Magisk (optional).
Once the flashing process is completed, reboot your phone and you will be booted into Official Lineage OS 17.1 Based on Android 10. If you have any doubts regarding this process, feel free to comment below.