File Request thinkpad x1 4th

mauriiciio

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Device Model
lenovo
Serial Number
PF-2C3RQQ
hello
I need unlock bios lenovo thinkpad yoga x1 4th , is possible?
 

Vahab Hemmati

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"Instructions for use"

Remove all battery and CMOS battery

press F1 to enter setup: password 1234
wait 20sec or more.
Enter any ID to hardware Id.
Press 2x space bar when asked.
Turn off the computer.
and restore your original bios .

Enjoy.

If 2x 5beep, it's normal.
I didn't do checksum but it must light up anyway.
Wait minimum 30sec before screen logo light on. Must turn on/off several times by itself :
 

Attachments

  • GD25B256D@SOIC8_070627_Patched.rar
    11.1 MB · Views: 1

mauriiciio

Registered
Golden

reputation_scoree

"Instructions for use"

Remove all battery and CMOS battery

press F1 to enter setup: password 1234
wait 20sec or more.
Enter any ID to hardware Id.
Press 2x space bar when asked.
Turn off the computer.
and restore your original bios .

Enjoy.

If 2x 5beep, it's normal.
I didn't do checksum but it must light up anyway.
Wait minimum 30sec before screen logo light on. Must turn on/off several times by itself :
hello

press f1 to enter 1234 not work
an x appears
 

mauriiciio

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that instruction are normal and tested way to unlock lenovo devices
please check carefully
Good morning

After saving the file you sent me, I follow the procedure shown in the video. Can you tell me what I'm doing wrong?

Thank you
 

Attachments

  • WhatsApp Video 2026-06-23 at 11.42.41.mp4
    15 MB

Vahab Hemmati

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my frined i just patched your file and sent the instructions for unlocking.
its just common way to unlock a lenovo file.
i really don't know what is happening for your device.
but i know i did the correct thing for unlock the device.
 

mauriiciio

Registered
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my frined i just patched your file and sent the instructions for unlocking.
its just common way to unlock a lenovo file.
i really don't know what is happening for your device.
but i know i did the correct thing for unlock the device.

After pressing F1, the system asks for the password and, upon entering 1234, informs that the password is incorrect. Could you please check the patch file again?
Thank you
 

Attachments

Vahab Hemmati

Support Team
Staff member
Admin
Registered

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After pressing F1, the system asks for the password and, upon entering 1234, informs that the password is incorrect. Could you please check the patch file again?
Thank you
this devices 4th Gen is not supported on unlock service yet
maybe thats the reason for the issue
i just patched the file with universal way and maybe its not OK with it
 
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