Lenovo ideapad 3 14IIL05 invalid serial number and system model

[Yacine007]

Hello everyone i have lenovo ideapad 3 14IIL05 BIOS showing invalid product name and MTM and SN.
can someone help me with clean bios right informations.

Product name : ideapad 3 14IIL05
Model name : 81WD
SN : PF2FFSMM
MTM : 8IWD00QBSP
MFG DATE : 2020/12/26
FACTORY ID : JVHFC1

Thank you in advance

[LEO037_2029_]

Yacine007 attach bios backup.

[Yacine007]

Here is the backup. Thank you LEO037_2029_

[hoaca388]

Here is the backup. Thank you LEO037_2029_

ideapad 3-14IIL05 Laptop - Type 81WD

[Yacine007]

ideapad 3-14IIL05 Laptop - Type 81WD

Thank you for your cooperation but problem not resolved.

[hoaca388]

Thank you for your cooperation but problem not resolved.

This is a file without DMI, you must add DMI manually.

[Yacine007]

This is a file without DMI, you must add DMI manually.

Sorry to have bothered you but my knowledge and skills have not reached this stage. I searched and tried but I did not find the right tool and the right tutorial. Anyway thank you my Friend ,🙏