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Paper Tape
Posts: 7
Registered: ‎12-18-2011
Location: Canada
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Accepted Solution

Sim card in my E420s?



My E420s has a sim card slot on the back, but nothing really happens when I put in my sim card from my phone (with a data plan on it). I searched Google and also looked through the bundled Lenovo software but didnt find anything usefull.


Is there a chance that the slot is just a dummy, or am I doing something wrong?


Thanks in advance and happy hollidays!

Punch Card
Posts: 6
Registered: ‎10-05-2011
Location: Scotland

Re: Sim card in my E420s?

I believe you need a mini PCI Express broaband module installed for it to work.


From the Data Sheet

"WWaN (Optional) - Ericsson F5521gw Mobile Broadband Module HSPA+ OR Huawei EV-DO WWAN Minicard (EM660) – China Only"


Hope that helps Smiley Happy

Paper Tape
Posts: 3
Registered: ‎04-20-2012
Location: Philippines
0 Kudos

Re: Sim card in my E420s?

Correct me if im wrong, youre saying that I need to add a mini PCI express broadband module for the SIM card slot to work? Or I just need a license to activate it?


Where can I buy that? Is it available on Lenovo stores?


Thanks. Smiley Happy

Paper Tape
Posts: 3
Registered: ‎04-20-2012
Location: Philippines
0 Kudos

Re: Sim card in my E420s?

I also found this mini PCI broadband module:
Lenovo ThinkPad GOBI Mobile Broadband Option


will this be enough to enable the SIM card slot on E420s?

Posts: 3,443
Topics: 26
Kudos: 440
Solutions: 266
Registered: ‎01-21-2010
Location: Etters, PA
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Re: Sim card in my E420s?

[ Edited ]

Hi last_spart and welcome to the Community,


Here's your Hardware Maintenance Manual .  Page 71 shows where the card should be.  You'll have to make sure you also have antennaes in there for it to work.  You'll have to remove the keyboard to get access to the card.  There's also a parts list for the compatible cards.


You can also go here and enter your serial number and it should bring up a list of everything installed in your machine. 



T430u, x301, x200T, x61T, x61, x32, x41T, x40, U160, ThinkPad Tablet 1838-22R, Z500 touch, Yoga Tab 2 Windows 8.1, Yoga 3 Pro
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Paper Tape
Posts: 3
Registered: ‎04-20-2012
Location: Philippines

Re: Sim card in my E420s?

Thanks for such a quick reply!

I appreciate the help. thanks! Smiley Happy