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X1C Gen1 + EM7355 GOBI5000 - will it work?

X1 / X1-Carbon (X1C) / X1-Extreme (X1E) Series/Generations
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M3NTAL
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Joined: Sun Jul 29, 2007 1:23 pm
Location: Toronto, Canada

X1C Gen1 + EM7355 GOBI5000 - will it work?

#1 Post by M3NTAL » Wed Nov 12, 2014 8:08 am

I'm looking to upgrade the WWAN card in my X1C Gen1 (3440CTO) to the newer LTE WWAN card.

Has anyone done this or know if this upgrade will work?
lenovo X1 Carbon | i7-3667U | Win8.1 Pro x64 | 14" HD+ | Intel HD 4000 | 8GB RAM | SanDisk 256GB SSD | Advanced-N 62055 AGN | WWAN | UltraNav+Fingerprint Reader
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fb1996
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Posts: 81
Joined: Sun Jan 11, 2015 8:24 am
Location: Friedrichshafen, Germany

Re: X1C Gen1 + EM7355 GOBI5000 - will it work?

#2 Post by fb1996 » Sun Jan 11, 2015 12:08 pm

It's not possible
  • You would need an adapter from M.2 to mPCIe
  • You would need antennas from a model equipped with a M.2 WWAN card or you'll need to solder the antenna connectors from a mPCIe WWAN card to the M.2 card as they use different antenna connectors
  • Biggest problem: you'll need a modded UEFI to remove the whitelist. That's impossible due to the encryption and the digital signing of the UEFI.
X1 Carbon Gen 12, X13s Gen 1
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