ThinkPad X13 Yoga Gen 1 (Type 20SX) Password Removal

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Join Date: Oct 2025

Posts: 2

Country: Germany
#1

ThinkPad X13 Yoga Gen 1 (Type 20SX) Password Removal

10-17-2025, 12:57 PM

Hi,

I didn't find a request for this specific SKU yet, but... I need the bios password removed from it.
(The tamper protection triggered randomly one day)

Here's as much info as possible about it:
- ThinkPad X13 Yoga Gen 1 (Type 20SX)
- SN R90YLACQ
- Model 20SX002XGE
- CPU 10th Generation Intel® Core™ i7-10510U
- Lenovo-Support page for convenience

And here are what should be valid EC and BIOS dumps (from an external reader)
Attached Files

dumps.tar.gz (14.90 MB, 3 views)
Tags: bios password, bios unlock request

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Hi all, I'm new here, a few words about myself: CS student, interested in hardware stuff too - tinkering my whole life but with practically no experience when it comes to firmware "hacking".

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Info for error 2202 LenovoThinkPad models and type

Extract from ThinkPad Maintenance Utilities Configuration File
plnsrv.ini Version 1.01

Some information that may be useful

There must also be missing models, add them to the list if you know of any.
Code:
```
brand name
20B1=ThinkPad Edge E445
20B2=ThinkPad Edge E545
20BC=ThinkPad Edge E145
20BM=ThinkPad X140e
20BL=ThinkPad X140e
20A3=ThinkPad X230s
20AH=ThinkPad X230s
20AK=ThinkPad X240s
20AJ=ThinkPad X240s
```
...
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ThinkPad X13 Yoga Gen 1 (Type 20SX) Password Removal

ThinkPad X13 Yoga Gen 1 (Type 20SX) Password Removal

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