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

BIOS Added: Sep 17, 2026 RAR · 11 MB

File details

TypeBIOS
BrandLenovo
DeviceLaptop
FormatRAR
Size11 MB
AddedSeptember 17, 2026
Updated
Original file nameX1 Yoga 5th Gen Laptop (ThinkPad) - Type 20UC.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, supplied as a RAR archive of about 11.1 MB under the original name "X1 Yoga 5th Gen Laptop (ThinkPad) - Type 20UC.rar". The file name points to the ThinkPad X1 Yoga 5th Gen, machine type 20UC. No board number, revision, chip size or ME status is given in the source data, so confirm the exact board and flash chip on your own unit first. Technicians use a BIOS dump like this to reprogram the SPI flash with a programmer after a corrupted BIOS or failed update.

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 20UC. 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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