Download Twrp v3.5.1 recovery for Redmi Note 9s/9pro/max/Poco M2 Pro (Miatoll) - Xiaomi Authority
Redmi Note 9 4G china/Redmi 9T/Redmi 9 Power Firmware ROM TWRP (lime)
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)