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[Request] Lenovo ThinkPad L490 WWAN/WLAN Whitelist Removal
#1
Hello everyone!  Smile
I am very new in bios modding and recently acquired a very cheap brand new ThinkPad, I recently tried to install a WWAN card (Sierra Wireless AirPrime EM7355) and got the infamous 1802 error that prevent the laptop to boot, the whitelist is looked up by the bios even while the pc is running (yeah I tried to hot plug the card and it worked fine for a minute until it got blocked again by the bios) I really want to try to mod the bios by myself because I think it would be very educative for me, but there's only few guides / tutorials on internet working for me, what I did is extracting the binary file from the bios chip, and open it with UEFITool and there's my issue, when I search in UEFITool  for ''Unauthorized network card is plugged in" I get 3 or 4 results and end up with 3 or 4 PE32 files, and it is getting me really confused, which on should I mod ? all of them? also i opened them with IDA Pro and i do find the error message but i struggle to understand what's going on in there because it is really different from the tutorials / guides.


Can anyone here take a look at the binary file of the bios in attachment and help me better understand what's going on in there? it would be very very apreciated ! Heart Big Grin
find
quote
#2
(05-01-2020, 08:40 PM)xto91x Wrote: Hello everyone!  Smile
I am very new in bios modding and recently acquired a very cheap brand new ThinkPad, I recently tried to install a WWAN card (Sierra Wireless AirPrime EM7355) and got the infamous 1802 error that prevent the laptop to boot, the whitelist is looked up by the bios even while the pc is running (yeah I tried to hot plug the card and it worked fine for a minute until it got blocked again by the bios) I really want to try to mod the bios by myself because I think it would be very educative for me, but there's only few guides / tutorials on internet working for me, what I did is extracting the binary file from the bios chip, and open it with UEFITool and there's my issue, when I search in UEFITool  for ''Unauthorized network card is plugged in" I get 3 or 4 results and end up with 3 or 4 PE32 files, and it is getting me really confused, which on should I mod ? all of them? also i opened them with IDA Pro and i do find the error message but i struggle to understand what's going on in there because it is really different from the tutorials / guides.


Can anyone here take a look at the binary file of the bios in attachment and help me better understand what's going on in there? it would be very very apreciated ! Heart Big Grin
Hi
Need your bios dump
find
quote
#3
(05-02-2020, 01:36 AM)Dudu2002 Wrote:
(05-01-2020, 08:40 PM)xto91x Wrote: Hello everyone!  Smile
I am very new in bios modding and recently acquired a very cheap brand new ThinkPad, I recently tried to install a WWAN card (Sierra Wireless AirPrime EM7355) and got the infamous 1802 error that prevent the laptop to boot, the whitelist is looked up by the bios even while the pc is running (yeah I tried to hot plug the card and it worked fine for a minute until it got blocked again by the bios) I really want to try to mod the bios by myself because I think it would be very educative for me, but there's only few guides / tutorials on internet working for me, what I did is extracting the binary file from the bios chip, and open it with UEFITool and there's my issue, when I search in UEFITool  for ''Unauthorized network card is plugged in" I get 3 or 4 results and end up with 3 or 4 PE32 files, and it is getting me really confused, which on should I mod ? all of them? also i opened them with IDA Pro and i do find the error message but i struggle to understand what's going on in there because it is really different from the tutorials / guides.


Can anyone here take a look at the binary file of the bios in attachment and help me better understand what's going on in there? it would be very very apreciated ! Heart Big Grin
Hi
Need your bios dump

Hi,
Oops sorry my attachment didn't got through when i created the thread

https://drive.google.com/file/d/11ISe4_U...sp=sharing
find
quote
#4
(05-02-2020, 06:54 AM)xto91x Wrote: Hi,
Oops sorry my attachment didn't got through when i created the thread
Hi
Your mod completed. Check your messages

This mod for this notebook ONLY !!!
find
quote


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