Bios for Lenovo ThinkPad X13 Yoga Gen 4

[sergei66666]

Intel I5 - 1335U
16 GB RAM
Type 21F2
Board LCFC KX3B0 KX3D1 NM-E812 Rev: 1.0

Read from a working device.
I unsoldered two large chips for reading.
I read the third one without removing it from the board.
I read each chip 3 times and the dumps matched (I didn't write the firmware to the chips again for checking).

[hoaca388]

Intel I5 - 1335U
16 GB RAM
Type 21F2
Board LCFC KX3B0 KX3D1 NM-E812 Rev: 1.0
Read from a working device.
I unsoldered two large chips for reading.
I read the third one without removing it from the board.
I read each chip 3 times and the dumps matched (I didn't write the firmware to the chips again for checking).

You MUST:

• Read BIOS guides, methods, resources and tools
• Try the method at BIOS guides, methods, resources and tools before requesting help
• Explain you were not able to succeed with the methods at BIOS guides, methods, resources and tools
• Use search function in case someone already answered your request
• Post under a related thread if it exists
• Provide the full machine model number, serial number (or Service tag, SNID) and the board model number (see https://www.badcaps.net/forum/showthread.php?t=88758 ) ,The serial number, make, full model number, motherboard model and revision (except QR codes) must be written/typed at your request as per the rules. Not as a picture, part of the file name and so on.
• Name your thread with make, full model numbers and request
• Provide a BIOS/EC dump if possible
• Attach files directly to your post instead of linking to external websites
• Post what the problem is, be specific - black screen, no boot, running slow, password. Do NOT post "clean me", "clear bios", "clean bios", "fix bios", "bios need" or other such terms

[sergei66666]

Thank you. My fault.

SN PF4JLR7H

ps I didn't find this serial number in the dump, and there are no matches on the Lenovo website either.
If I understood correctly, the serial number is stored in the EC

[hoaca388]

Thank you. My fault.
SN PF4JLR7H
ps I didn't find this serial number in the dump, and there are no matches on the Lenovo website either.
If I understood correctly, the serial number is stored in the EC

X13 Yoga Gen 4_Type 21F2

[sergei66666]

Thank you.

p.s. For history. The dump from the first message is correct, it can also be used to restore your device.