Install TWRP Recovery on Redmi Note 9 Pro - TWRP UPDATE
Redmi Note 9 Pro Install TWRP and ROOT - YouTube
How to Install TWRP Recovery on Redmi Note 9 Pro - Root Update
How to Install TWRP Recovery on Redmi Note 9 Pro and Root it
GitHub - mauronofrio/android_device_xiaomi_curtana: TWRP tree Unified for Xiaomi Redmi Note 9/9s/9Pro/9 Pro Max/Poco M2 Pro (curtana,gram,excalibur,joyeuse)
update) unofficial twrp 3.5.0 for Redmi Note 9 Pro 4G - unofficial twrp