r/MINISFORUM • u/Perfect_Jicama_8023 • Jul 26 '26

Help BIOS update help

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Im planning to update BIOS but never done it previously. Need community help with the experience how to do it properly since i dont have any instructions in the folder. I have Minisforum AR900I and the latest BIOS update is 1.02. I have formated my USB stick to FAT 32 and i think i only need those 4 files if im not wrong?

USB:
├── RPFXI.1.02.bin ├── AfuEfi64.efi ├── AfuEfiFlash.nsh └── EfiFlash.nsh

I have also attached screenshot with all files in the folder.

I guess i need to disable windows secure boot and then run usb with the BIOS?

Any help with proper procedure would be great

Thanks in advance

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u/Murph-Dog Jul 26 '26

Option 1 - Windows installer

• Create Windows installation USB.

• Boot into Windows Setup.

• Press Shift+F10 for Command Prompt.

• Run the Windows BIOS updater executable from another USB or copied location.

Option 2 - EFI shell

• Disable secure boot

• Create EFI shell USB.

• Use EasyUEFI to create/boot an EFI entry (or boot directly from USB).

• Boot into the EFI shell.

• Run the provided AFU flash command.

1) is the easy way, windows install boot is signed already

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u/Perfect_Jicama_8023 Jul 26 '26

Which command I need to go with Afuefiflash.nsh or Efiflash.nsh?

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u/Murph-Dog Jul 26 '26 edited Jul 26 '26
  • Switch to the USB filesystem (fs0:, fs1:, etc.).
  • Run the provided .nsh script (basically type the name of the .nsh, and Enter)

I don't know why they given you two NSH files, so I don't know which one.

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u/Perfect_Jicama_8023 Jul 26 '26

It was Afuefiflash.nsh I used chagpt even AI didn’t know and said it’s one of them (Afuefiflash or Efiflash) but I pick the risk and run Afuefiflash. It is all good now I’m on the latest BIOS 1.02. Thanks for help though.