- Standard disclaimer: I'll take no responsibility if you mess up your device by flashing any of these firmware/vendors.
- These firmware/vendors are only for the Xiaomi Mi 9 [CEPHEUS].
- Please don't flash these on the Xiaomi Mi 9T/SE etc!
- All Firmware/Vendors are extracted from the Official MIUI Stock Roms and from the Xiaomi.eu Multi Weekly Developer ROMs!
1. Download a Firmware/Vendor you want to install
2. Go to Recovery
3. Flash the downloaded .zip file
- Official Android 9.0 Pie
- Xiaomi.eu Android 9.0 Pie
- Xiaomi.eu Android 10.0 Q