XiaoMi 9 Drivers BSP - Version 1.7.1.1 🌳
[❗]A digression
❗This is a patch for version 1.7.1, designed to temporarily resolve the "Irql not less or equal" BSOD issue caused by TPM on Windows.
General information
Released: 2026/02/24 12:59 PM UTC+8
Quality: Preview
Important information
Please note that：
- USB is now set to default OTG mode
- Certain non-original screens may encounter display or touch issues, which require investigation.
- Cepheus supports secure boot to disable test mode.
- Booting Windows 10 18362/18363 with Secure Boot enabled is not currently supported and will result in a broken installation.
- Currently, only Mu's UEFI is supported for secure boot. Please note that.
- If you need to enable testing mode, please use [MuCepheusDisableSecureBoot.img] UEFI
Version 1.7.1.1 Release notes：
UEFI Release notes
Important
UEFI must be updated for this driver update.
ACPI:
- Fixes! Disable the TPM driver to resolve compatibility issues with new Windows versions.
Drivers Release notes
XiaoMi 9 [Cepheus]:
-
AnySoc:
- Fixes! Disable the TPM driver to resolve compatibility issues with new Windows versions.
Known issues
- Booting Windows 10 18362/18363 practically isn't possible.
- The TPM driver is not working for all versions of Windows.
- USB Type-C mode requires manual switching.
- Some users may need to reinstall Windows.
- Certain non-original screens may encounter display or touch issues, which require investigation.
- Windows Recovery environment lacks drivers unless Windows has performed a Feature Update at least once.