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- ASUS UX31A2 Rev 4.1 ZenbookBIOS · 8.00 MB · 10 May 2025BIOS bin—8.00 MB
- Asus Zenbook UX31A2 REV2.0 Intel HDBIOS · 8.00 MB · 12 May 2025BIOS bin—8.00 MB
- ASUS UX31A2 Rev 4.1 Zenbook telegram BIOS Repair-2025-09-16BIOS · 3.72 MB · 18 Sept 2025BIOS zip—3.72 MB
- UX31A2 Rev 4.1 ZenbookBIOS · 8.00 MB · 22 Jul 2020BIOS bin—8.00 MB
- ASUS UX31A2 Rev 4.1 Zenbook
BIOS firmware for the ASUS Zenbook UX31A2 mainboard, revision 4.1, distributed as a 3.58 MB RAR file.
BIOS · 3.58 MB · 13 Mar 2021BIOS rar—3.58 MB - ASUS Ux31a2 rev. 2.0
BIOS archive for the ASUS Zenbook UX31A, marked for board revision 2.0 and compressed to 1.64 MB. The name gives no firmware version or chip type.
BIOS · 1.64 MB · 5 Sept 2019BIOS rar—1.64 MB