You stated that you did a rollback. The current BIOS version probably has an outdated Intel ME. Do unlock on version 1.11.
@Sweet_Kitten no, it’s the same, the last one that i’ve dumped to you. Somehow the Windows currupted some drivers, I did a fresh windows 11 install and it solved my problem, i manage to unlock again the Bios.
Thanks you so much again!
I need to ask one more question: even with unlocked bios the undervolt was not enable, and i found one video on youtube to do the unlock by vars. Before the unlock all settings in the menu “Cpu and Performance” that I change did not accepts, after the unclok by var yes, I manage to change the values. The video is this: How to undervolt Helios 300 PH-315-54 core i7 11800H - YouTube
Do you know what option inside the bios (the name of it and where is it) that this guy tells in the video?
CpuSetup >> 000000D0 >> last byte in the line from 01 to 00
EDIT: I found the option, it’s called “Cpu Lock” inside de the Processor in the overclock menu…
Advanced - Power & Performance - CPU-Power Management Control - CPU Lock Configuration - Overclocking Lock: 0xDF, VarStore: 0x3. You didn’t know it needs to be disabled?
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In my helios 2019 this option was uncheck from factory (acer permited to undevolt as default), this 11th gen of predator 2021 no, i need to disable this option to allow the undervolt, but tks to clarify me, now everything is fine. The only thing is when i try to change the PL1 time window in BIOS, the machine frozen, I only can do this using XTU in windows…
Is it possible to extract vbios from bios?
it’s pretty simple really.
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Can you direct me how to do it
I need to extract vbios from following bios
https://www.acer.com/ac/en/US/content/support-product/9032?b=1
https://winraid.level1techs.com/t/tool-guide-news-uefi-bios-updater-ubu/
Can you please extract vbios rom from this bios?
thank you
https://www.sendspace.com/file/ebmdc4
hi sorry to necro post will this also work for the PH315-53
i got this error with the latest 1.14 bios
Error 167: 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.
FPT Operation Failed.
It is important to reboot after clicking the first bat file. Did you do that?
i did
here is the output
- Reading Flash [0x2000000] 16384KB of 16384KB - 100 percent complete.
Writing flash contents to file “ORIGINAL.bin”…
Memory Dump Complete
FPT Operation Successful.
BIOS read operation was performed.
parseFile: invalid data checksum C9h, should be 0Dh
parseBios: volume size stored in header 41000h differs from calculated using block map 32768h
parseVolume: unknown file system FFF12B8D-7696-4C8B-A985-2747075B4F50
parseBios: unaligned revision 2 volume
parseBios: one of volumes inside overlaps the end of data
parseBios: one of volumes inside overlaps the end of data
parseFile: non-empty pad-file contents will be destroyed after volume modifications
parseFile: non-empty pad-file contents will be destroyed after volume modifications
patch: replaced 9 bytes at offset B3E51h 0A821206490E02000F → 0A824706490E02000F
patch: replaced 9 bytes at offset 1493h E8703500003C01740C → E8703500003C01EB0C
Image patched
Intel (R) Flash Programming Tool Version: 15.0.30.1716
Copyright (C) 2005 - 2021, Intel Corporation. All rights reserved.
Reading HSFSTS register… Flash Descriptor: Valid
--- Flash Devices Found ---
ID:0xEF4019 Size: 32768KB (262144Kb)
Error 167: 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.
FPT Operation Failed.
hm. Something is not working as it should I dont understand what. Although, there was no problem with AN515-55 model when the same thing applied. 
If you attach the ORIGINAL.bin file, we’ll mod the bios the old way.
here it is
thank you for your time
Oh this is exacly the model with 11800h and 3070 rtx 8 GB 110 or 115 TDP ? Can i use it for my laptop if IT the same bios ?
Hello! Can you help me unlock the bios version 1.15 from ph315-54-760s? I tried it myself by following methods from this post. as there are 3 bios files
and i don’t know which one to mod. Thank you!