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- x1 carbon 4th gen lock biosBIOS · 16.0 MB · 5 May 2025BIOS bin—16.0 MB
- x1 carbon 4th gen original bios PATCHEDBIOS · 16.0 MB · 9 May 2025BIOS bin—16.0 MB
- ThinkPad X1 Carbon 4th Generation LMQ 1 12298 2 TESTED BIOS100 %
BIOS dump for a Lenovo ThinkPad X1 Carbon 4th Generation on board LMQ-1 number 12298-2, described in the name as tested and fully working.
BIOS · 3.78 MB · 22 Feb 2022BIOS rar—3.78 MB - X1 Yoga 4th Gen Laptop (ThinkPad) - Type 20QF
Firmware archive for the Lenovo ThinkPad X1 Yoga 4th Gen, type 20QF, an 8.18 MB RAR. It matches in size the X1 Carbon 7th Gen type 20QD packages, though the name alone…
BIOS · 8.18 MB · 17 Sept 2026BIOS rar—8.18 MB