[Q] [Verizon] Tablet LTE Data SIM in Android phone with 3G? - General Questions and Answers

Hypothetically speaking, if you were to take a 4G LTE SIM card out of a Verizon tablet that has a dedicated tablet data plan and place that card in a Verizon smartphone, would said smartphone be limited to only 4G LTE data, or would it also have access to 3G/2G/1x as well?
Please no guesses or assumptions- just need to know if the data received on the device is based on the sim card or on internal radios for Verizon.
Thanks!

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[Q] Data Connection Issue

I have a Galaxy Tab with a TMobile WebConnect plan. When I place its SIM card in the G2X, I lose data connection despite the 4G icon still being on. I am not on contract with the G2X so I should be able to swap SIM cards right?

[Q] 4g upgrade

hello all
i have a 3g verizon xoom but im outside us.
here we have only gprs and and edge in 2g networks. no 3g yet (hehe but we have 2 wimax operators)
so i cannot use my sim card in my tablet, as i know it does not have the required hardware.
as i understand from forum posts, in 4g upgrade they will install a new mini-pci-e hardware and reinstall a new version of android.
may i buy that mini-pci-e card myself and install it? then can i use my 2g sim card on tablet for gprs or edge?
im in iran and cannot send xoom to motorola.
is there anyway to use sim card in tablet? with/without hardware upgrade

[Q] hardware differences between US verizon 3g and UK 3g

Hello all
i have a verizon 3g xoom. it's not upgraded yet. i live outside us
about the UK 3g xoom, can it operate 2g sim card? for sms, gprs or ...
how about normal 3g sim cards?
is there any hardware difference between mine and uk one?
may i operate my 2g sim card on my xoom? how about 3g?
when i put sim card nothing happen. i just tried 2g sim card
our 3g operator is not started selling sim cards ... but we have 4g operator.
if i install uk xoom's rom on my own, can i use sim card?
is there any mini pci-e card that i can use my sim card with it? (self upgrade xoom with custom mini-pci-e)
please help me. i need some information. i'm confused.
http://forum.xda-developers.com/showthread.php?t=1263634
how about this thread? i've done that but dont work for me. there is no signal, i think it didnt recognized my sim card.
if i install the mini-pci-e card that motorola installs on xoom during upgrade, can i use sim card for 2g/3g ? (sms or internet)
i have found this : "If you bought your Xoom from Verizon, it will have no SIM card slot. Verizon's CDMA network doesn't use SIM cards. Also, if you bought the Verizom model, it will only work on Verizon, and not another carrier. There is also a WiFi-Only Xoom, and it does not have a SIM slot."
here : "http://www.ifixit.com/Answers/View/53440/Why+I+can%27t+find+3G+SIM+Slot+in+my+Motorola+Xoom"
but mine have sim slot with a plastic sim on it.
The Verizon 3G Xoom does have a sim card slot but no hardware inside to read the sim card. That is what the 4G upgrade was for, to install the hardware necessary to utilize the sim card for the Verizon 4G LTE network.
I don't know if anyone has gotten a Verizon Xoom working on any other carriers network.
Theres pix of the inside of my Uk3g Zoom somewhere...

[Q] how to tell if my XOOM is 3g or 4G

how can i tell if my xoom is 4g or 3g i got it from craigs list and it don't have a verizon logo or any other cell phone company, it has the place for the sim card.
i want to root it but Im not sure what rom to install after work because some roms say that is for the 3g only.
any ideas it doesn't say anywere on the housing.
thanks.
If you are in the US and have a US Xoom without a Verizon logo, chances are it is a Wifi only. They all have that rubbery cover for the micro sdcard and a possible sim card, but the WiFi only version doesn't have the necessary hardware/connections to have a sim working.
So root and mod to your heart's content, and if you want connectivity get a personal hotspot.
On a side note, if it was 3g, it would be 3.2.1... 4g would be 3.2.2

[Q] Verizon 4G Sim in 3G GSM device

From what I've read, you can pop a Verizon 4G sim into pretty much any unlocked LTE capable device and have it work.
Now I'm guessing this is going to be a no, but...
I got an Airtel 3G Data card (specifically the Huawei E1731) when I went to India and unlocked it, if I remember correctly it kept swapping from CDMA and GSM signals. Now if I pop the Nano SIM I got with my iPhone 5 into this data card, (I'll try to make my self a Nano SIM to SIM adapter) is there any chance of it working?
I've also heard if things like the 4G sim being deactivated when you swap to a 3G device. But wouldn't putting it in a 3G device be the same as using the iPhone 5 with LTE turned off?
And is there any chance of Verizon messing with my data plan if I put the sim in the data card and start using it with my laptop?
I just saw a a video of someone putting a nano sim in an iPhone 4s and it working so I think this should at least work on the data card, still worried about the Verizon side of this.
Also I just remembered something about different frequencies, would the fact that the data card is from India affect my ability to use it?
Actually, I'm pretty sure Verizon SIM cards are only for their devices. I don't think they work otherwise
Sent from my MB508 using xda premium
gagdude said:
Actually, I'm pretty sure Verizon SIM cards are only for their devices. I don't think they work otherwise
Sent from my MB508 using xda premium
Click to expand...
Click to collapse
I've read from a few different reliable sources, don't have any links on hand. But its the phone that is locked to a carrier, not the sim that is locked to the phone, so as long as the device is unlocked and has the required hardware, it should work with that sim.
In verizons case, at the very least the LTE should work with an LTE device, I'm not sure about voice, 3G, and 2G.
In that case you wouldn't get 3G on other phones, since the SIM cards Verizon has are for 4G LTE only, their 3G networks are CDMA and thus built into the phone.
LTE is a GSM technology which is the only reason they use SIM cards at all
Sent from my DROID2 using xda premium
gagdude said:
In that case you wouldn't get 3G on other phones, since the SIM cards Verizon has are for 4G LTE only, their 3G networks are CDMA and thus built into the phone.
LTE is a GSM technology which is the only reason they use SIM cards at all
Sent from my DROID2 using xda premium
Click to expand...
Click to collapse
That is what I was thinking, but the data card seems to have both CDMA and GSM bands and when I pop out the LTE sim from my phone I lose all signal not just LTE.
Now what I'm thinking is that, since the SIM holds all the Account info, etc, not just 4G related things, that if I pop it into the 3G data card, (I've seen Iphone 5 SIM be put into a 4s and work) that it should work. That is if the Data card is compatible, which I'm not 100% sure on.
The SIM in a GSM phone holds all the account information. The SIM in a CDMA phone is for data only - the phone will work for voice/text without it. The SIMs are different software/wise.
Rukbat said:
...The SIM in a CDMA phone is for data only - the phone will work for voice/text without it....
Click to expand...
Click to collapse
That's what I initially thought but, If that's true than why is my iPhone 5 not able to use Data, voice, or text without the SIM inserted?
I'm not to worried about it not working, the thing I'm concerned about is verizon messing up my plans if I try using the sim in a data card.

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