Flash LineageOS on Google Pixel 2 XL (taimen)

Prepare
https://wiki.lineageos.org/devices/taimen/install

# Enable debug mode on phone
# Enable OEM unlocking
# Enable USB debugging
 
adb reboot bootloader
fastboot flashing unlock
# confirm with keys
adb reboot bootloader

Boot TWRP
https://dl.twrp.me/taimen/
https://dl.twrp.me/taimen/twrp-3.7.0_9-0-taimen.img

fastboot boot Downloads/twrp-3.7.0_9-0-taimen.img
 
adb shell twrp wipe data
adb shell twrp wipe dalvik

LineageOS image
https://download.lineageos.org/devices/taimen/builds
#https://mirrorbits.lineageos.org/full/taimen/20230615/lineage-20.0-20230615-nightly-taimen-signed.zip
https://mirrorbits.lineageos.org/full/taimen/20230831/lineage-20.0-20230831-nightly-taimen-signed.zip

adb shell twrp sideload zip from host adb
adb sideload Downloads/lineage-20.0-20230615-nightly-taimen-signed.zip

OPTIONAL: Install Gapps
https://wiki.lineageos.org/gapps

https://mde1.androidfilehost.com/dl/O8LqKOYRERDF1DLI5HU5rQ/1686923682/4279422670115734716/MindTheGapps-13.0.0-arm64-20230408_162909.zip
 
adb sideload Downloads/MindTheGapps-13.0.0-arm64-20230408_162909.zip

Upgrade
https://wiki.lineageos.org/devices/taimen/upgrade
http://downloads.codefi.re/d/CNzxbgzaLdfGLGZSIP-cUQ/1685985608/jdcteam/javelinanddart/gapps/MindTheGapps-12.1.0-arm64-20220605_112439.zip

adb reboot sideload
adb sideload Downloads/lineage-20.0-20230615-nightly-taimen-signed.zip
 
Advanced
Reboot to Recovery
Apply Update
Apply from ADB
 
https://androidfilehost.com/?w=files&flid=322935
adb sideload Downloads/MindTheGapps-13.0.0-arm64-20230408_162909.zip
 
Signature verification failed
Yes
 
Reboot system now

Links
https://wiki.lineageos.org/devices/taimen/