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Klem

Lenovo ThinkPad T440p / T440s/ T540 unlocked BIOS menu / wlan / wi-fi whitelist mod

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Does the programmer need to be 5v or 3.3v?

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4 minutes ago, oTomas said:

Does the programmer need to be 5v or 3.3v?

Hi!

3.3V

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Hello,

I just received my Lenovo T440p that I ordered on ebay and delivered a moment.

I would like you to unlock my bios latest version at 100% I need to have a wifi whitelist with wwan and if possible whitelist battery to accept other brand batteries.

Here is the link of my bios:
https://mega.nz/#!nFE1zA5Z!ffcrauKbEYm6eEXf0pSxlTIGSc_QFGwFoSPn-0lUe4E

Waiting for response from you and confirm that my bios and dumped so that you can do the necessary and thank you in advance.

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56 minutes ago, yayatwiste said:

 

Hello,

I just received my Lenovo T440p that I ordered on ebay and delivered a moment.

I would like you to unlock my bios latest version at 100% I need to have a wifi whitelist with wwan and if possible whitelist battery to accept other brand batteries.

Here is the link of my bios:
https://mega.nz/#!nFE1zA5Z!ffcrauKbEYm6eEXf0pSxlTIGSc_QFGwFoSPn-0lUe4E

Waiting for response from you and confirm that my bios and dumped so that you can do the necessary and thank you in advance.

Hi!

Ok. Check PM.

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4 hours ago, Klem said:

Hi!

Ok. Check PM.

Klem thank you very much it works perfectly, now remains more than to change the wifi and wwan card to test the whitelist.

I would make a return from the operation.

Thank you so munch


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Hi, Klem!

 

Can you help me, please? :-)

I need remove whitelist and unlock Advanced menu.

Link

 

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36 minutes ago, Maksan said:

Hi, Klem!

 

Can you help me, please? :-)

I need remove whitelist and unlock Advanced menu.

Link

 

Hi!

Ok. Check PM.

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I have a Lenovo T540p that I wound like to be able to disable the dedicated GPU. Are you able to activate that option? They removed the option to disable optimus several years ago. Oh yeah and if it is possible to enable options to disable optimus,  pls whitelist and unlock advanced setting too.

Thank you. 

Edited by Dawda

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5 hours ago, Dawda said:

I have a Lenovo T540p that I wound like to be able to disable the dedicated GPU. Are you able to activate that option? They removed the option to disable optimus several years ago. Oh yeah and if it is possible to enable options to disable optimus,  pls whitelist and unlock advanced setting too.

Thank you. 

Hi!

If you will try to disable Intel graphic card, then laptop will start with black/blank screen, because in your laptop model screen directly connected to Intel graphic card, it's hardware design for this laptop model. It's hardware design for Optimus technology. Look at the image below.

 

optimus_16.jpg

optimus_17.jpg

optimus_34.jpg

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3 hours ago, Klem said:

Hi!

If you will try to disable Intel graphic card, then laptop will start with black/blank screen, because in your laptop model screen directly connected to Intel graphic card, it's hardware design for this laptop model. It's hardware design for Optimus technology. Look at the image below.

 

(img)

 

 

Oh, okay.

 

That’s a shame.

Thank you very much for explaining this to me.

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I've uploaded my BIOS here, if you could remove the whitelist and unlock advanced menu items (if that's possible?) that would be great thank you <3
https://gofile.io/?c=Oq2jpA
 

I tried modifying the BIOS myself -- opened it in UEFITool, extracted the necessary image section body, then opened this in both radare2 with Cutter GUI and in Ghidra and was able to find the relevant string, but neither could seem to find any references to it in the rest of the code? I'm not sure if it was just issues with the analysis options I was choosing, or if IDA just tends to be better for this kind of work still, but any tips would also be appreciated (:

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44 minutes ago, grufwub said:

I've uploaded my BIOS here, if you could remove the whitelist and unlock advanced menu items (if that's possible?) that would be great thank you <3
https://gofile.io/?c=Oq2jpA
 

I tried modifying the BIOS myself -- opened it in UEFITool, extracted the necessary image section body, then opened this in both radare2 with Cutter GUI and in Ghidra and was able to find the relevant string, but neither could seem to find any references to it in the rest of the code? I'm not sure if it was just issues with the analysis options I was choosing, or if IDA just tends to be better for this kind of work still, but any tips would also be appreciated (:

Hi!

Ok. Check PM.

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Hello, I have a T440s with BIOS version 2.51, a few days ago I tried to remove the Bios password by doing a tutorial in which I made a short on pins 5 and 6 of the chip during boot to disable the boot password verification and power change the password of the bios. After some unsuccessful attempts the laptop stopped loading the bios and the screen remains permanently black, I do not know if it damages the chip or the data of the bios, but through the CH341A programmer I get a backup of the bios, I hope that can you help me

https://www.dropbox.com/s/zsm8rxgbogv29na/bios original thinkpad t440s.rar?dl=0

Try installing a new Bios (I found version 2.35v) and the computer is already booting, but it gives me two errors
0271: real time clock error
0183: Bad CRC of security settings in EFI variable.
I can not get through the bios.

My laptop asks for a fingerprint at startup, my fingerprint is set, so that's not a problem.

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1 hour ago, lexwimp said:

Hello, I have a T440s with BIOS version 2.51, a few days ago I tried to remove the Bios password ...

 

Hi!

No, I don't work with any bios passwords. Sorry.

Edited by Klem

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And would it be possible to repair the bios even if you keep the password? I only want the laptop to start the system ... if it is not possible, thank you very much anyway

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2 hours ago, Mac-tonight said:

Hello, can you please confirm if this is the right gear for the job?

I live in México, and have  a card wifi intel 7260NGW and thinkpad T440p. This can help me to make it work?

 

https://articulo.mercadolibre.com.mx/MLM-624656558-programador-bios-eeprom-pic-usb-ch341a-arduino-_JM?quantity=1

 

 

Hi!

Yes, it's right device, but price from your link is too expensive. To order SPI programmer and SOIC8 clip, you can use links from the first page of this thread.

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Mistakenly posted on the wrong thread . . . . need to delete

Edited by scstubbs
wrong thread

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16 minutes ago, rizla3066 said:

Hello, any chance i can have my bios done aswell?

 

Remove whitelist lock for wifi cards, and unlock and hidden menus and so on.

 

Download link https://ufile.io/wfzx9pb9

 

Thank you in adavnce.

Hi!

Ok. Check PM.

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