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Lenovo Z710, Z510 unlocked BIOS menu / wlan whitelist mod / vbios mod

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    • By rajsinghfan
      UEFI BIOS Version: GJETA4WW (2.54)
      UEFI BIOS Date (Year-Month-Day): 2020-03-37
      ME Firmware Version: 9.5.60.1952
      Embedded Controller Version: GJHT30WW (1.14)
       
      I need Battery Authentication whitelist Removal because my laptop showing "the battery installed is not supported."
       
      Result.rar & .rom file: https://www.mediafire.com/file/byxsoqpg4j3od25/result_rar_and_rom_file.zip/file
    • By biuro74
      Hi,
       
      So I've landed here to get some help with unlocking my old laptop. I must confess I've done few mods before, but it was on PCs, so was a piece of cake - adding Xeon to supported CPU models, or updating OROM to get a system boot from RAID SSDs. But now I'm trying do "the same" with laptop first time and this is a nightmare, mostly due to multiple BIOS vendors/methods, each of which requires own tools, some works with older revisions, some don't, some require 32-bits, some don't, and all YT examples being done using various configs = so in the end: a mayhem.
       
      My laptop config is:
      Lenovo B570e, i5-2520M, 10GB RAM
      BIOS: 44CN43WW (latest, unmodified), SMBIOS 2.6
      Phoenix/EFI SLIC Mod indicates it is an EFI/Insyde BIOS, but entering the BIOS I've got "Phoenix SecureCore Tiano" info
      WLAN: original damaged, a replacement (by chip) doesn't allow laptop to start - Error 104 Unsupported wireless network device...
       
      All I've found so far was:
      * Universal BIOS Backup Toolkit 2.0 - to make a BIOS dump file (succees)
      * UEFI Tool - to load dump file, search required module and extract it (success)
      * WinHex - to search an assembler code boundaries, and extract it (WinHex will not save edits = unregistered version), so semi-success
      * Hex Editor Neo - to disassembly code, and probably make changes (so far: in progress:))
       
      And I've stopped at searching the JZ/JNZ mnemonics, probably this is because I've got wrong code boundary (from WinHex), which gives improper disassembled program in preview pane. What I'm looking for is a loop, which I try to obey - regarding to some "popular" links describing this method (unfortunately I can't follow these instructions 1:1 as some programs don't work as supposed and crash - like WinHex, yup, some don't work at all and I need to use different tool).
      One more frustrating thing is I can't find proper tool for final stage - which is good (working) flasher. I can't remember how I've reflashed BIOS previously - must have been years ago - but now PhoenixUEFIWinFlash makes a BSOD (original, executable BIOS downloaded from Lenovo support website uses this program, which shows its GUI for a moment and makes BSOD), and "external", latest Phoenix UEFI WinFlash program doesn't want to work properly at setting up stage. Probably I will have to use phlash16 and FreeDOS, but will see at the end, when I have modded BIOS completed.
       
      Any suggestions (or even better - some ready, modded file), please ?
       
      Thanks in advance for any help, I appreciate any clue.
    • By Malenford
      Is it possible to unlock bios on that model? Please help me with it if somebody can.
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