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if i buy a samsung galaxy s which is locked to sprint or tmobile, can i unlock it and use with at&t? can at&t network recognize it as a smart phone? because i'm currently using samsung focus. Once i plug at&t sim card into it. It was automatically detected from at&t system and it also automatically add the the data plan to my plan which is trouble for me. Because i don't wanna pay for the data plan which i don't use much. Any idea?
Yes you can unlock it and use it with AT&T if you buy T-Mobile's GS4G. I'm not sure if AT&T's network would automatically discover what phone you have. When I switched to my Treo 650 a long time ago AT&T had no idea I had a smartphone. After the Treo 650 I upgraded to the G1 and they still thought I was using my old non-smartphone.
I doubt their system could detect the type of phone you have.
Hello, if you searched you would have found the two threads below.
http://forum.xda-developers.com/showthread.php?t=980157
http://forum.xda-developers.com/showthread.php?t=1028588
please search and read before starting a new thread. Thanks
thanks but will it be detected by at&t system
xuanphucn said:
thanks but will it be detected by at&t system
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Click to collapse
Spoke to my friend at T-mo, he said yes. is there a reason why you dont want to be detected? its not like AT&T will charge you more for using an unlocked phone. the only issue is network speeds.
xuanphucn said:
thanks but will it be detected by at&t system
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Click to collapse
I unlocked a SGS4G and a vibrant for some friends, they use them on AT&T. Yep I imagine they can see the phone, but like fknfocused said you're only going to pay the cost of a plan if you don't already have one.
If you're trying to avoid paying those costs, it's not really possible.
However, my friend with the vibrant didn't have a data plan or smartphone prior to using it on AT&T. It got 3G speeds, doesn't mean at some point they don't look at it and go "hey wait" you need a data plan. Just saying it worked.
xuanphucn said:
if i buy a samsung galaxy s which is locked to sprint or tmobile, can i unlock it and use with at&t? can at&t network recognize it as a smart phone? because i'm currently using samsung focus. Once i plug at&t sim card into it. It was automatically detected from at&t system and it also automatically add the the data plan to my plan which is trouble for me. Because i don't wanna pay for the data plan which i don't use much. Any idea?
Click to expand...
Click to collapse
AT&T won't automatically detect it. Tell AT&T Customer Support your old device information and chances are that you'll be good (no dataplan). I unlocked the Galaxy S 4G/added it to AT&T and I didn't have the device automatically added- I had to call so that they could set it up. They still had me down as an old Razr (the phone i was temporarily using).
i used to have a samsung focus. as soon as i insert the sim card to it. it will trigger adding a data plan to my account. I hate to pay for that because i don't use it much
Hi!
Quick question - if I buy Google Galaxy Nexus for Verizon and unlock it - does it mean I will be able to use any GSM operator?
Up to the moment I was only buying only unlocked phones and had no opportunity to mess with a locked device, but here is a real chance to save a buck by means of ebay and so called Verizon phones..
Thanks!
Negatory. It would only work on other cdma carriers. Pretty useless. Unlocking is only really worth a damn for gsm devices. There is not even a SIM card slot on the VZW GN, other than the LTE SIM that goes there, but that's not compatible with gsm.
Sent from my SGH-T989 using XDA App
Yep. Plus if you travel a lot, cdma is utterly useless because of all the processes required to sign it up to a carrier.
So say I were to buy an AT&T phone and use my T-Mobile pay as you go 4G monthly SIM in it... Smooth sailing, right?
I'm currently under the impression that it's more of a phone to phone issue, rather than a definitive yes or no. Doesn't help I've been locked up in CDMA since I started playing around with phones.
Well for me the unlocking mobile it is preaty useless (in my opinion of course)
Thanks a lot for help!
Without all of your advice I'd have ended up with $550 spent on a phone which can't be used
I have a corporate GSM SIM card (11 years old it is) with local Russian cell phone operator, and I have to stick with it...
net_wonder said:
Without all of your advice I'd have ended up with $550 spent on a phone which can't be used
I have a corporate GSM SIM card (11 years old it is) with local Russian cell phone operator, and I have to stick with it...
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Click to collapse
Good god 11 year old sim?! pics!
TJBunch1228 said:
Negatory. It would only work on other cdma carriers. Pretty useless. Unlocking is only really worth a damn for gsm devices. There is not even a SIM card slot on the VZW GN, other than the LTE SIM that goes there, but that's not compatible with gsm.
Sent from my SGH-T989 using XDA App
Click to expand...
Click to collapse
Actually the verizon galaxy nexus does have a sim slot and there is a possibility it could be used with GSM carriers. This theory started with the Rezound. So when you pop in a sim, you can turn off LTE and select GSM. Everything works except outgoing SMS (don't know about 3rd party messenging apps).
Please use the Q&A Forum for questions &
Read the Forum Rules Ref Posting
Moving to Q&A
UVClay said:
So say I were to buy an AT&T phone and use my T-Mobile pay as you go 4G monthly SIM in it... Smooth sailing, right?
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Not quite. Phone functions would be ok. But for data you would have only 2G (edge). No 3G or 4G.
Sent from HTC G2
Crashdamage said:
Not quite. Phone functions would be ok. But for data you would have only 2G (edge). No 3G or 4G.
Sent from HTC G2
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Click to collapse
Not 100% true. The Skyrocket is pentaband and can be used on t-mobile.
I have a iPhone 4 now and am eligible for an upgrade...would like get a one x but don't want to carry it to work..(firefighter)..
Would I be able to switch sims back and forth without any issues...?
Same Scenario
I am also an AT&T customer who had the iphone 4 and switched to the HTC One X. I can confirm that switching the SIM card from one phone to the other allows each device to work just fine. No worries here (I was thinking about this question as well before making the decision to upgrade). Hope this helps!
SeeSection said:
I am also an AT&T customer who had the iphone 4 and switched to the HTC One X. I can confirm that switching the SIM card from one phone to the other allows each device to work just fine. No worries here (I was thinking about this question as well before making the decision to upgrade). Hope this helps!
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Sorry to be nit-picky, but are you switching from your HOX sim card to your iPhone? Or vice versa. Thank you.
SeeSection said:
I am also an AT&T customer who had the iphone 4 and switched to the HTC One X. I can confirm that switching the SIM card from one phone to the other allows each device to work just fine. No worries here (I was thinking about this question as well before making the decision to upgrade). Hope this helps!
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Click to collapse
That's exactly what I needed to know....Thanks!!!
Would you still be able to use data if you did that. You can only have one or the other right? (IPhone or smartphone data plan)
Functional data, voice, and text
Nitpicking is fine with me. I received my HOX in the mail initially and used the SIM card out of my iphone 4. With the iphone's SIM card in the HOX I was able to utilize data, voice and text on the new handset. I then went to the AT&T store and was told that my old sim (iphone 4) needed to be re-calibrated in order to take advantage of 4G and LTE network speeds. I received a new SIM card from them and, upon testing it in my iphone, found that I am still able to connect and utilize the 3G network (as well as voice and text services). So, to sum up:
Your old iphone 4 SIM card will work interchangeably in both devices but you will be limited to 3G speeds
A new SIM card will allow for 4G and LTE connectivity in the HOX but still be functional at 3G speeds in the iphone 4
Thank you very much! That's exactly what I wanted to know.
When I went to bestbuy mobile they tried to provision an iPhone microSIM and the system would not allow it. They could only provision one of the new LTE capable micro sims to work with the phone. Good to know it's backwards compatible with 3G. Only thing that sucks is all of my other phones use standard size sims.
If u put iPhone sim in one X then u won't get lte speeds, only 4g...if other way around then lte on one X and 4g on one X..unless the 4s has lte but I don't think it does..I quit iPhone when 4s came out...best decision ever...I will say that sim cards are not made to be taken in/out with the kind of frequency u are talking about...could cause issues after a while..
Sent from my HTC One X using xda premium
I'm thinking about buying a used Verizon Samsung S3 from a friend of mine.
Since my AT&T contact doesn't run out for a few months... I'd like to buy his Verizon S3 today... and just use it as a wi-fi only device for the next few months. (No Verizon contract, No SIM, No cell calls, etc.)
Possible? Without rooting? Would I need to buy a blank Verizon SIM? Where?
Thanks.
You probably won't need a blank SIM; just pull the LTE SIM from the phone. CDMA connectivity, on the other hand, is built into the phone. You'll probably have to get Verizon to deactivate the device. Interestingly enough, my old cellphone (from my previous 2--year contract with Verizon) gets service when I boot it up, so I don't think it's as simple as activating a new phone on the line will deactivate the old one.
Wi-fi Only, Wi-fi Only. Wi-fi Only. Wi-fi Only.
Taehee. said:
You probably won't need a blank SIM; just pull the LTE SIM from the phone.
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And what do I do when it demands I put the SIM back before I can do anything?
Taehee. said:
You'll probably have to get Verizon to deactivate the device.
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Click to collapse
Huh? I have to call them and say "I'm *NOT* a Verizon user. Please deactivate my phone (that I never activated in the 1st place.)
Taehee. said:
Interestingly enough, my old cellphone (from my previous 2--year contract with Verizon) gets service when I boot it up
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Click to collapse
Huh? You get free Verizon? Or are you still paying for it all these years?
Taehee. said:
so I don't think it's as simple as activating a new phone on the line will deactivate the old one.
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Click to collapse
I do *NOT* want to activate my new phone. I do *NOT* want any Verizon coverage. (I'm trying to get *WI FI* only.)
should work fine
just deactivate the phone and take the sim card out
the phone will report no sim card and will only allow 911 calls
other then that you can use it as a wifi device just fine
^^^Yup. When I upgraded my phone, I can use my old phones on WiFi with no issues. I do it all the time. I even flash ROMs on them still, lol.
You can do it just fine. Turn it on, connect WiFi and have at it. Doesn't matter youre not a customer or that the phone was never activated. You dont need to contact Verizon for ANY of this at all, either.
Sent from my Galaxy S3 using Tapatalk 2
Hot-Donna said:
I'm thinking about buying a used Verizon Samsung S3 from a friend of mine.
Since my AT&T contact doesn't run out for a few months... I'd like to buy his Verizon S3 today... and just use it as a wi-fi only device for the next few months. (No Verizon contract, No SIM, No cell calls, etc.)
Possible? Without rooting? Would I need to buy a blank Verizon SIM? Where?
Thanks.
Click to expand...
Click to collapse
That's no problem at all. You don't need to root the phone or buy a blank Verizon SIM. Just start up the phone, connect to your Wi-Fi and ta da. You should be ready to go :]
I'm (hopefully) going to be getting the M8 today/tomorrow. I presently have an iPhone 5s. Question is, can I use my current nano sim with the M8 or do I need to use the one that it comes with? I know the new SIM has to be used if I want to use NFC or whatever, but Verizon tells me if I activate the new SIM my old one (in my 5s) will expire. I am sure I'll want to swap back and forth quite a bit, so having 900 sims on hand won't be convenient. One rep says I can use my 5s sim, another says no -- so big question is, can I, or can't I? I don't care if NFC won't work, and IDK what the M8 sim would do (if anything) if I tried it in my 5s.
Thanks.
boxermansr said:
I'm (hopefully) going to be getting the M8 today/tomorrow. I presently have an iPhone 5s. Question is, can I use my current nano sim with the M8 or do I need to use the one that it comes with? I know the new SIM has to be used if I want to use NFC or whatever, but Verizon tells me if I activate the new SIM my old one (in my 5s) will expire. I am sure I'll want to swap back and forth quite a bit, so having 900 sims on hand won't be convenient. One rep says I can use my 5s sim, another says no -- so big question is, can I, or can't I? I don't care if NFC won't work, and IDK what the M8 sim would do (if anything) if I tried it in my 5s.
Thanks.
Click to expand...
Click to collapse
The way verizon works, I think the sim is sort of tied to the account. You still need to have the ESN on your account as verizon is not purely sim based. Therefore, I do not think you can switch sims, and if you do you MIGHT get purely LTE service, but no cdma.
You shouldn't have any problems swapping Sims. I had no problem putting the micro SIM in my HTC one m7 into my droid bionic. I did have to use an adapter since Bionic uses standard SIM but I had no problem.
Frankie1588 said:
You shouldn't have any problems swapping Sims. I had no problem putting the micro SIM in my HTC one m7 into my droid bionic. I did have to use an adapter since Bionic uses standard SIM but I had no problem.
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Click to collapse
Did you have to call in, or were you just able to swap the SIM and everything was working? I recall when I had my Razr, and swapped to the Razr Maxx all I had to do was swap the SIM, and I was good to go. Verizon has confirmed with me that the SIM will work, but I guess I won't have NFC, which again I don't care about either way. Just want to make it as simple as possible, and not have Verizon fiddle with my plan.
boxermansr said:
Did you have to call in, or were you just able to swap the SIM and everything was working? I recall when I had my Razr, and swapped to the Razr Maxx all I had to do was swap the SIM, and I was good to go. Verizon has confirmed with me that the SIM will work, but I guess I won't have NFC, which again I don't care about either way. Just want to make it as simple as possible, and not have Verizon fiddle with my plan.
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Click to collapse
Nope I never had to call. I even noticed that it changed my phone on the My Verizon website which was neat.
You shouldn't have any issues and no you don't have to call. I have a micro sim cut to a nano and I switch it between my M7 and 5S every now and then. If I plan on switching between my 5S and M8 it'll be easier since they both use nano.
I'm using my nano Sim from my 5s in my new M8 now. Didn't call VZW, did nothing on line, just popped it out of the iPhone and into the One.
Sent from my HTC6525LVW using Tapatalk
Assuming you're switching between devices that have like provisioning(which the two phones will) you will for sure be fine, no need to call. The devices will check in with the platform when they first boot up and the device ID on the account will change on it's own after a short while without you needing to do anything.
Well it is good to be corrected then. I take my statement back, I had no idea verizon started making sense.
123421342 said:
Well it is good to be corrected then. I take my statement back, I had no idea verizon started making sense.
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Click to collapse
They did as soon as they switched to 4g sim cards.
As long as devices you swap between are 4g I haven't had an issue. The problem is when you go from 4g to 3g back in the gnex to iPhone 4s days. Every time you did that you'd burn a sim card on Verizon.
Now iI can swap from my m8 to my iPhone 5 with a quick sim swap.
Thanks for the replies, I appreciate it. Will be off to get my device in a few hours. One more question, since we already established the SIM from my iPhone 5s will work in the M8, will the reverse apply as well (the SIM from the M8 working in the 5s) - I'm guessing not, since (at least from what Verizon has told me) that sim is different? I know I'll be switching back and forth between devices, so I just want to make sure I know which sim/sims will work accordingly.
Thanks again.
boxermansr said:
Thanks for the replies, I appreciate it. Will be off to get my device in a few hours. One more question, since we already established the SIM from my iPhone 5s will work in the M8, will the reverse apply as well (the SIM from the M8 working in the 5s) - I'm guessing not, since (at least from what Verizon has told me) that sim is different? I know I'll be switching back and forth between devices, so I just want to make sure I know which sim/sims will work accordingly.
Thanks again.
Click to expand...
Click to collapse
You'll go get your m8 and it will come with a new sim. The old one in your iPhone will be burned after they activate the new one and Verizon won't let you use it again. Just swap the new one that comes in your m8. Don't listen to Verizon. I'm using my new sim in my m8, m7, and iPhone 5.
Burned??
What do you mean by Burned?
That it's unusable in the future?
I have reactivated a sim card before but maybe it was a different situation. I'm on a business account too. So we can change phones online without calling in. I don't know if non-business accounts can do that or not.
meest said:
You'll go get your m8 and it will come with a new sim. The old one in your iPhone will be burned after they activate the new one and Verizon won't let you use it again. Just swap the new one that comes in your m8. Don't listen to Verizon. I'm using my new sim in my m8, m7, and iPhone 5.
Click to expand...
Click to collapse
Well I'm adding a new line, so they'll have to activate it on the new line. Then I plan to throw my sim from my 5s in the M8. Was just curious if the one from the M8 *would* work in the 5s, in case I decided to get a new SIM before I swap (since I know once I throw a dumb phone on the new line, the SIM from the M8 will be toast).
I'll just use my 5s one, since it seems the easiest. I hate going to Verizon so I just wanna be in and out
You won't lose NFC capability when swapping SIMs. NFC is part of the phone's hardware. What you will lose is ISIS capability, since that relies on the SIM.
You can use Google wallet just when swapping SIMs.
I modified my micro sim from the DNA and it works perfectly. The ISIS loss isn't a problem for me, as google wallet works.
Icyman said:
What do you mean by Burned?
That it's unusable in the future?
I have reactivated a sim card before but maybe it was a different situation. I'm on a business account too. So we can change phones online without calling in. I don't know if non-business accounts can do that or not.
Click to expand...
Click to collapse
As in Verizon normally won't reactivate them. I've had wonderful arguments about this on my work side also. More often than not they've made me switch to a new SIM when reactivating something that had a SIM in it already. Say when someone loses their phone, and I have another verizon phone with a SIM already in it from a terminated Employee.
I've had it the other way to where they will. But when I was switching between a Gnex and an iPhone 4s. Every time I wanted to reactivate the Gnex I would have to go get a new SIM as they wouldn't reactivate the previous one. something about going between 3G to 4G systems.
meest said:
As in Verizon normally won't reactivate them. I've had wonderful arguments about this on my work side also. More often than not they've made me switch to a new SIM when reactivating something that had a SIM in it already. Say when someone loses their phone, and I have another verizon phone with a SIM already in it from a terminated Employee.
I've had it the other way to where they will. But when I was switching between a Gnex and an iPhone 4s. Every time I wanted to reactivate the Gnex I would have to go get a new SIM as they wouldn't reactivate the previous one. something about going between 3G to 4G systems.
Click to expand...
Click to collapse
Yes. you are correct. I did experience that once when going from iphone 4 to my Rezound but once you go 4g you never go back. It's un-explainable.
I activated the nano SIM that came with the M8 and put it straight into an adapter and into my S4 (I haven't got the chance to copy files and settings over to the HTC yet so I'm still using the S4 as my phone for now) and my S4's running fine on it!
So in answer to the OP's question, just activate the new SIM and you can use that in both your iPhone and HTC (then the current SIM you have is useless). You shouldn't have any issues switching back and forth.
there's adapters on amazon to take your new nano sim and put it in phones that require a micro sim or other size. But i switch between my phones all the time and all it takes is putting in your current SIM card