This page is dedicated to TWRP recovery for various different devices, you will also need fastboot.zip, Windows USB drivers, and Magisk, for latest fastboot.zip, drivers, see this page.
Download Magisk – Link
Galaxy S8
Download Galaxy S8 SM-G950F/FD Exynos – Link
Download Galaxy S8 Qualcomm – Link
Galaxy S8 Plus
Download Galaxy S8+ SM-G955F/FD Exynos – Link
Download Galaxy S8+ Qualcomm – Link
OnePlus 6T
Download OnePlus 6T TWRP Recovery image file – Link
Download OnePlus 6T TWRP Recovery installer – Link
OnePlus 6
Download OnePlus 6 TWRP Recovery image file – Link
Download OnePlus 6 TWRP Recovery installer – Link
Download Boot.img(for Android 8.1) – Link
OnePlus 5T
Download OnePlus 5T TWRP Recovery – Link
Pixel 2
Download Pixel 2 TWRP Recovery image – Link
Download Pixel 2 TWRP Recovery zip – Link
Pixel 2 XL
Download Pixel 2 XL TWRP Recovery image – Link
Download Pixel 2 XL TWRP Recovery zip – Link
Nexus 6
Download Nexus 6 TWRP Recovery
LG V20
- Download LG V20 TWRP Recovery for U.S. Unlocked model US996 – Link
- Download LG V20 TWRP Recovery for Verizon model LS995 – Link
- Download LG V20 TWRP Recovery for Sprint model LS9997- Link
- Download LG V20 TWRP Recovery for T-Mobile H918 – Link
- Download LG V20 TWRP Recovery for AT&T H910 – Link
- Download LG V20 TWRP Recovery for Dual-SIM model H990 – Link
Credits – TWRP.me, Phenix591
For AT&T/Verizon/Korean LG V20, you can unlock bootloader using this method here then flash the TWRP recovery using fastboot.