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Lenovo X1 Yoga 5th Gen Laptop (ThinkPad) - Type 20UB BIOS

BIOS Added: Sep 17, 2026 RAR · 8.9 MB

File details

TypeBIOS
BrandLenovo
DeviceLaptop
FormatRAR
Size8.9 MB
AddedSeptember 17, 2026
Updated
Original file nameX1 Yoga 5th Gen Laptop (ThinkPad) - Type 20UB.rar

Where to get the file

Opens the matching file on RM Schematics, or its source details if it is not catalogued there yet.

Alternative links

No other copies are known yet.

AwesomeHeader does not store this file. It was published in a public Telegram channel; the links above lead to the original post and its copies.

Description

BIOS dump for a Lenovo laptop, listed under the original file name "X1 Yoga 5th Gen Laptop (ThinkPad) - Type 20UB.rar" (RAR archive, about 8.9 MB). The facts do not give a board number, revision, chip size or platform, so confirm that the dump matches your exact machine before using it. A BIOS dump is used to reprogram the SPI flash chip with a programmer after BIOS corruption or a failed update. Back up the original chip contents first, and check the board number and revision against your own board before writing anything.

Description generated from the catalog data. ·

How to open it

A BIOS dump is written to the SPI flash chip with a programmer such as the CH341A and a SOIC8 clip. Read and save the original chip contents twice before writing.

Guide: Flash a Laptop BIOS with a CH341A Programmer →

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Questions about this file

How do I flash this BIOS dump?

Write it to the SPI flash chip with a programmer such as the CH341A and a SOIC8 clip. Read and keep the original contents first, and check that the chip size matches the dump.

Will this BIOS work on my board?

Only if the board number and revision match: Lenovo X1 Yoga 5th Gen Laptop (ThinkPad) - Type 20UB. Dumps from a different board or revision can leave the board dead.

What does “clean ME” mean?

The Intel ME region in the dump has been reset, so it can be used on another board of the same model. Keep your original dump and transfer serial numbers if needed.

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