HP ProBook 4 G1a 14 BP8C2UA HP BIOS and System Firmware (X78) sp174393.exe
- Version 01.05.05 Rev.A
- Download 0
- File Size 28.3 MB
- File Count 1
- Create Date August 17, 2026
- Last Updated November 14, 2026
HP ProBook 4 G1a 14 BP8C2UA HP BIOS and System Firmware (X78) sp174393.exe
Download sp174393.exe, the official HP BIOS and System Firmware (X78) for the HP ProBook 4 G1a 14 inch Notebook AI PC Wolf Pro Security Edition (BP8C2UA) on Windows 11, straight from HP's official server. See all drivers for this laptop in the HP ProBook 4 G1a 14 BP8C2UA driver download article, or check the HP support page for this model.
| Product name | HP ProBook 4 G1a 14 inch Notebook AI PC Wolf Pro Security Edition (BP8C2UA) |
| Type | BIOS and System Firmware |
| Operating System | Windows 11 (64-bit) |
| Version | 01.05.05 Rev.A |
| File name | sp174393.exe |
| File size | 28.3 MB |
| Released | Aug 17, 2026 |