[Guide] Howto Unlock/Flash an Insyde H2O UEFI BIOS

BIOS/UEFI Modding BIOS Modding Guides and Problems
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@siegretawn look here How to Mod Lenovo Ideapad 320-17IKB type 80XM BIOS (InsydeH2O) - #2 by Gik2

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Intel (R) Flash Programming Tool. Version: 8.1.60.1561
Copyright (c) 2007 - 2014, Intel Corporation. All rights reserved.

Platform: Intel(R) HM77 Express Chipset
Reading HSFSTS register… Flash Descriptor: Valid

--- Flash Devices Found ---
EN25Q32B    ID:0x1C3016    Size: 4096KB (32768Kb)
EN25QH16    ID:0x1C7015    Size: 2048KB (16384Kb)

PDR Region does not exist.
GBE Region does not exist.

Error 28: Protected Range Registers are currently set by BIOS, preventing flash
access.
Please contact the target system BIOS vendor for an option to disable Protected
Range Registers.

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vars.zip (33.5 KB)
Please I need help to unlock BIOS update file with expired signature Dell Inspiron 15R SE 7520 bios A14.exe
QCL01A14.zip (3.2 MB)

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Didn’t know a signature can expire… Or you mean expired digital sertificate?

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Both, I would like to solve!