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T420 bluetooth upgrade to 4.0

T400/T410/T420 and T500/T510/T520 Series
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t420poklop
Posts: 37
Joined: Thu Dec 10, 2015 7:03 pm
Location: Prague, Czech Republic

T420 bluetooth upgrade to 4.0

#1 Post by t420poklop » Wed Jun 20, 2018 10:45 am

Hi, I would like to upgrade bluetooth on my t420 and I found this one.

https://www.amazon.com/Yz_too%C2%AENew- ... nkpad+t420

Do you think it will work? Will it work "plug and play", with no BIOS mod?

RealBlackStuff
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Re: T420 bluetooth upgrade to 4.0

#2 Post by RealBlackStuff » Wed Jun 20, 2018 11:06 am

It should, but it's probably a lot cheaper e.g. here: https://www.ebay.com/itm/183181833977
Lovely day for a Guinness! (The Real Black Stuff)
IBM: T23 (XP/SP3) - Lenovo: X240, X250, T440p, M900 Tiny (all with W7/SP1)

t420poklop
Posts: 37
Joined: Thu Dec 10, 2015 7:03 pm
Location: Prague, Czech Republic

Re: T420 bluetooth upgrade to 4.0

#3 Post by t420poklop » Thu Jun 21, 2018 9:40 am

ok, thanks

Niknok
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Location: Harrisburg, PA

Re: T420 bluetooth upgrade to 4.0

#4 Post by Niknok » Sat Jul 07, 2018 9:16 pm

I installed that 4.0 board in my T420 (Win 8.1 Pro 64) to upgrade it from 3.0 and it was plug and play. The bluetooth board sits on the underside of the plastic palmrest bezel.

I also installed a 4.0 board in my T430 (Win 7 Pro 64) that didn't have any bluetooth and have yet to have the device recognized in the device manager or by any other speccy type software. Lenovo bluetooth software stops installing when it can't find a suitable device. Still troubleshooting that one...

EDIT: Got the bluetooth 4.0 card to work in my T430 by installing the "Lenovo hotkey features integration" software. Apparently the software turns power ON and OFF power to the bluetooth card. Without the software the bluetooth card is never on, and thereby not found by the device manager.

BTW, even though I didn't have any bluetooth board in my T430, the cable was already there scotch taped to the bezel. Like the bluetooth, there is also an unused cable for the fingerprint reader. A fingerprint reader board should fit, but there is no hole for the fingerprint scanner, that requires a different bezel, or some case modification.

Niknok
Posts: 26
Joined: Mon Mar 21, 2016 4:09 pm
Location: Harrisburg, PA

Re: T420 bluetooth upgrade to 4.0

#5 Post by Niknok » Tue Jul 10, 2018 8:36 pm

adam555 wrote:
Tue Jul 10, 2018 5:52 pm
It is the updated version of Bluetooth technology. If you want to install it on windows 10 follow [link removed]Dell printer support. It is faster than the older version and In ThinkPad laptop, if you facing any issue then contact with them.
BEWARE!!!! Malwarebytes flags the link posted above by "Adam555" as fraudulent.
senior admin edit: YES, the post was spam.. it was removed and this spammer was deactivated..

ItsTheGuyWihT420
Posts: 1
Joined: Tue Jul 27, 2021 11:40 am
Location: Berlin, Germany

Re: T420 bluetooth upgrade to 4.0

#6 Post by ItsTheGuyWihT420 » Tue Jul 27, 2021 12:03 pm

Hey Everyone, sorry for replying to such an old thread but i was looking to upgrade the bluetooth on my T420 to 4.0 and have a quick question.
So i found the (probably) correct board on eBay but it comes in two "Sizes" and I'm not sure which one i should get.
They are A2(FRU 60Y3305) and A1(FRU 60Y3303) also here's the eBay listing I'm looking at: https://www.ebay.de/itm/313523389998?ha ... Swwq9gh8Nb

Hope you guys can help me out!

mr. Star Trek
Posts: 1
Joined: Thu Aug 04, 2022 4:32 am
Location: Brussels, Belgium

Re: T420 bluetooth upgrade to 4.0

#7 Post by mr. Star Trek » Thu Aug 04, 2022 4:42 am

Hey!

Did you find out which one worked?
I'm carefully assuming both FRU numbers work

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