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manuelcalavera
Posts: 362
Registered: ‎08-25-2011
Location: Iran, Tehran
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Re: Successfully completed 3G upgrade

all models have sim slot ? which ones have it ?
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ThinkPad Tablet 2 - 367927U
ThinkPad Tablet - 183822U
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mmaseda12
Posts: 11
Registered: ‎08-25-2011
Location: Florida

Re: Successfully completed 3G upgrade

My tablet is a 183825U.  I bought it from Buy.com. (includes the stylus even though the website didn't mention that)  The card is Lenovo part # 0A36185.  This is the same card used in Thinkpad laptops.  It's available from Lenovo Store and many online sites.  I got mine from Buy.com.  Detailed instructions on how to open the case and install the card are in the Lenovo ThinkPad Tablet Hardware Maintenance Manual.  Takes about 5 minutes to do the install.

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pdl099
Posts: 5
Registered: ‎09-10-2011
Location: US

Re: Successfully completed 3G upgrade

I was able to pop my 183925U open fairly easily following the instructions in the Hardware Maintenance manual.  The only challenge was loosening the clips between the LCD panel and base but even that was relatively easy once I had the right tool. 

 

My WWAN module is on order but there is definitely a card slot and wiring for it.

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syskill
Posts: 4
Registered: ‎08-29-2011
Location: USA
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Re: Successfully completed 3G upgrade

Huh... Compared to the pic posted by mmaseda12, my 183927U appears to be missing the antenna in the middle of the right side. I have an open mini-PCIe slot but can't find any antenna leads. :smileysad:

 

I don't suppose someone could give me a part # or other eBay-able information for the antenna I need?

 

Thanks

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bogatyr
Posts: 225
Registered: ‎04-20-2011
Location: UNITED STATES
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Re: Successfully completed 3G upgrade

@pdl099: Does your 1839 have the antenna and leads or is it like syskill's 1839 and is missing them?

Curious if that is the difference.
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emersonvier
Posts: 61
Registered: ‎03-25-2010
Location: SAO PAULO-BRAZIL
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Re: Successfully completed 3G upgrade

I also curious if that is the difference  1838 and 1839, I ask the LENOVO SHOP... unsuccessfully:smileysad:

 

The 1839 more expensive them 1838 but what is the most or difference....

 

I found this tabook page  5 and 6.

 

I would like buy my LENOVO :smileyhappy: how 1838 or 1839??

 

Can anyone help???

 

EMERSON VIER

Thx,
EMERSON VIER
183825U - 4.0.3 - FW A400_03_0070_0132_US + Gobi 3000
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bogatyr
Posts: 225
Registered: ‎04-20-2011
Location: UNITED STATES
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Re: Successfully completed 3G upgrade

@mmaseda12:
Are you able to disable 3G with the card installed? And if so, does that stop the 3G idle service from consuming power?
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Volker1
Posts: 334
Registered: ‎03-02-2010
Location: Dublin
0

Re: Successfully completed 3G upgrade

[ Edited ]

syskill wrote:

Huh... Compared to the pic posted by mmaseda12, my 183927U appears to be missing the antenna in the middle of the right side. I have an open mini-PCIe slot but can't find any antenna leads. :smileysad:

 

Can you clarify: you are missing MAIN, AUX, or both antenna?

 

According to the HMM, both 1838-25x and 1838-27x have WWAN antenna and "3G-capable base cover" (probably meaning the SIM slot).

 

 

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mmaseda12
Posts: 11
Registered: ‎08-25-2011
Location: Florida
0

Re: Successfully completed 3G upgrade

Under wireless settings you can turn off the 3G radio.

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mmaseda12
Posts: 11
Registered: ‎08-25-2011
Location: Florida
0

Re: Successfully completed 3G upgrade

The main antenna cable is red and the aux is blue.  They come with clear vinyl caps covering the connectors.  Look closely as they may be partially hidden under some of the existing circuit boards.