** WARNING **!IMPORTANT! !Working on the battary and touch screen!Seems that the last Surface UEFI Firmware Update (Version 9.101.140.0) released on January 14 2021broke OC bootstrap. Until there was an OC compatible version, please prevent the update. Or if you already updated your device so try download these new EFIs!IF you now updated your surface pls not use this! If you stuck with apple logo or Access Denied! Try this!!This is Open Core Version! FOR Catalina and Big SurSurface Pro iPad alternative UEFI Big Sur Fix Open Core Hackintosh Mac OS Tablet 2021 better then M1Currently working:

• The brightness adjustment is working normal;
• The ALC298 has been built into working normal;
• The built-in SD card slot is working normal;
• HDMI is working normal;
• App Store login is normal, download is normal;
• ICLOUD is normal;
• Track board is working normal;
• Sleep sleep wakes up is working normal;
• SIRI is working normal;
• iMessage is working normal;
• Cover is working normal;
• Trackpad multitouchNot Working (if you not on Surface Pro 7):
• Volume + - button; (not working on Surface Pro 7)
• Battery Capacity always 100%; (not working on Surface Pro 7)
• Touch screen; (not working on Surface Pro 7)
• Built-in Bluetooth + built-in WiFi; (Dongle only)
• Webcam (not working on Surface Pro 7) ONLY FOR SURFACE PRO 7 USERS If you screen flicking try to change resolution of your screen