why does the phone need a sim to operat? is account info on it? - Sprint HTC One (M7)

howdy folks,
from what i have read these new generation of sprint phones with sim cards only store the login info for the LTE data connection, is that correct? the sprint cards are just basically RUIM cards right, but the slot can accept gsm cards for gsm network usage?
if i understand right they still have the voice and text account info on the phone correct? so why do they need the sim to operate? i'm just a little confused because my old world phones, TP2 and OZONE could operate without the sim in them?
thanks in advance
cheers,
disco

deadlocked007 said:
It's for the Lte/4g the phone can continue to use voice and 3g/2g without it though. Simple as that.
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thanks
cheers,
disco

Don't forget that it's also used for international roaming.

SIM is needed for activation but yeah LTE is a GSM technology
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Related

Stupid question

Getting my droid 3 from ebay tomorrow. Do i need a sim if im just using it in u.s.?
It isn't the question but the way its asked.
That depends on what you intend to do with it. For most users, no.
No I have my global sim card out and it does not require a 4g sim either because... well because its not 4g.
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suzook said:
Getting my droid 3 from ebay tomorrow. Do i need a sim if im just using it in u.s.?
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That's not a stupid question. You need a sim card to use it in the US as well.
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This is a Verizon phone and Verizon has never used sim cards because they are CDMA. The sim card slot is for GSM signals in other countries, since US based GSM providers like at&t and t-mobile are blocked on this.
Thanks for the replies. It came with one....but as I found out, its not needed for U.S. operation. BTW....loving the phone(even without root).

[Q] Unlocked for international travel?

I may be spending a long time in the UK before my 2-year contract is up (study abroad). If I leave the country for an extended period of time, will Sprint unlock my One so I can use a local SIM while I'm there?
No because that sim card isn't for gsm networks its just for the lte on sprint. The way lte works it requires a sim card to work
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luigi311 said:
No because that sim card isn't for gsm networks its just for the lte on sprint. The way lte works it requires a sim card to work
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Then why does lte work on the EVO 4g lte without a sim card? The one is a world phone.
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racrickey said:
Then why does lte work on the EVO 4g lte without a sim card? The one is a world phone.
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I thought the HTC One was the first Sprint phone where you can take out the UICC (SIM), the rest, i.e. the SGS3 and EvoLTE, have an integrated UICC. So the EvoLTE does have a SIM, its just tucked inside where you cant remove it (not without modifying the unit itself anyways).
Darkshneider said:
I thought the HTC One was the first Sprint phone where you can take out the UICC (SIM), the rest, i.e. the SGS3 and EvoLTE, have an integrated UICC. So the EvoLTE does have a SIM, its just tucked inside where you cant remove it (not without modifying the unit itself anyways).
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That I'm not sure about. It's above my understanding lol. I do know I don't have a sim card I can take out and the HTC one is an international phone but I guess the world bands aren't up and running yet.
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Its internal. All Sprint LTE phones need a UICC. Check your about phone settings, your ICCID should be your UICC.
UICC
racrickey said:
Then why does lte work on the EVO 4g lte without a sim card? The one is a world phone.
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It is a world phone. Call sprint Scott asking international roaming.
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racrickey said:
Then why does lte work on the EVO 4g lte without a sim card? The one is a world phone.
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It does have a sim card its just non removable it was talked for awhile just like this when the evo came out
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luigi311 said:
It does have a sim card its just non removable it was talked for awhile just like this when the evo came out
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It does have a sim card in it, that is why there is a sim card punched out in the package. If you have a sim card ejecter, you would put it in the tiny hole next to the sim tray and it would eject the sim card out.
raptoro07 said:
It does have a sim card in it, that is why there is a sim card punched out in the package. If you have a sim card ejecter, you would put it in the tiny hole next to the sim tray and it would eject the sim card out.
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The evo doesn't have a sim card tray
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luigi311 said:
The evo doesn't have a sim card tray
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Right, I was referring to the sprint one.
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The EvoLTE has an internal SIM, youre not gonna see it. The first Sprint phone that has a swappable SIM is the HTC One. The SGS3, EvoLTE, Note II, LG Optimus -among others- all have a SIM inside of them.
Darkshneider said:
The EvoLTE has an internal SIM, youre not gonna see it. The first Sprint phone that has a swappable SIM is the HTC One. The SGS3, EvoLTE, Note II, LG Optimus -among others- all have a SIM inside of them.
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That's not 100% accurate. Before it started with its LTE upgrade, Sprint did offer some phones that had swappable SIMs.
myphone12345 said:
That's not 100% accurate. Before it started with its LTE upgrade, Sprint did offer some phones that had swappable SIMs.
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Alright, let me fix it: the first LTE phone with a removable SIM is the HTC One.
http://www.pcmag.com/article2/0,2817,2417502,00.asp
"This model of the One supports Sprint's 3G (CDMA 800/850/1900) and LTE (1900 only) networks, along with GSM/EDGE on 850/900/1800/1900 and HSPA 14.4 on the 1900 and 2100MHz bands. That means this phone will roam internationally at 3G speeds. In theory, you could unlock it to work poorly on AT&T's and T-Mobile's networks, but it wouldn't be able to take advantage of fast speeds on either. "
It wont work in TMobile USA. It doesnt have the 1700 band.
robfactory said:
http://www.pcmag.com/article2/0,2817,2417502,00.asp
"This model of the One supports Sprint's 3G (CDMA 800/850/1900) and LTE (1900 only) networks, along with GSM/EDGE on 850/900/1800/1900 and HSPA 14.4 on the 1900 and 2100MHz bands. That means this phone will roam internationally at 3G speeds. In theory, you could unlock it to work poorly on AT&T's and T-Mobile's networks, but it wouldn't be able to take advantage of fast speeds on either. "
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That information may not be correct. According to the FCC filings there is no mention of the 850/1900 GSM bands.
EDIT: See my post here about what GSM frequencies the Sprint Variant has.
See this thread
http://forum.xda-developers.com/showthread.php?t=2243724
I'm a Sprint Product Ambassador supporting the launch of the One.
racrickey said:
Then why does lte work on the EVO 4g lte without a sim card? The one is a world phone.
Sent from my EVO using xda app-developers app
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The Evo 4G LTE (as well as all Sprint LTE phones) has a SIM card, it's just embedded and not visible.
I'm looking at getting one of these bad boys to read my 64gb sd card out of my note 2.
http://www.kickstarter.com/projects/andyfei/mini-microsd-reader-for-android-smartphones-and-ta

[Q] Droid Bionic Clean ESN hw c

hello i have a droid bionic with a clean esn with hardware c i really like this phone as i have the lapdock and i would love to keep it. i tried the gsm unlock but i never picked a signal with either tmobile or at&t. so i anted to know with which wireless providers can i connect it with? thanks in advance
mobi_21 said:
hello i have a droid bionic with a clean esn with hardware c i really like this phone as i have the lapdock and i would love to keep it. i tried the gsm unlock but i never picked a signal with either tmobile or at&t. so i anted to know with which wireless providers can i connect it with? thanks in advance
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Did you insert a T-Mobile or AT&T SIM? You need a SIM card for the carrier you want.
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acejavelin said:
Did you insert a T-Mobile or AT&T SIM? You need a SIM card for the carrier you want.
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yes i currently have a Aio Wireless sim in the phone (with is a At&t Mvno) but no luck i also have a active tmobile line and no signal in either sim cards both are currently connected still no signal. i did change the nv items with radiocomm but just no luck i believe it is because of my bionic being hardware c not A
mobi_21 said:
yes i currently have a Aio Wireless sim in the phone (with is a At&t Mvno) but no luck i also have a active tmobile line and no signal in either sim cards both are currently connected still no signal. i did change the nv items with radiocomm but just no luck i believe it is because of my bionic being hardware c not A
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I am not that familiar with the bionic on gsm carriers but did you go into Phone Info in the test menu (*#*#4636#*#*) and enable Global or GSM/WCDMA modes? Have to do that many phones that are not officially Global phones.
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acejavelin said:
I am not that familiar with the bionic on gsm carriers but did you go into Phone Info in the test menu (*#*#4636#*#*) and enable Global or GSM/WCDMA modes? Have to do that many phones that are not officially Global phones.
Sent from my Nexus 4 using xda app-developers app
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yes i did try that but after switching to wcdma or gsm it force closes and kicks me out of that menu. i dont know if its my phone being hardware c or something else.
can anybody else confirm they have a droid bionic running 4.1.2 on tmobile or at&t?

[Q] Possible to use 3G from T-Mobile with unlocked SIM?

I recently unlocked my sim slot, and I have a mobile internet sim from T-Mobile. Since the Sprint HTC One supports the band for T-Mobile 3G, would it be possible to get 3G from T-Mobile for data on my Sprint HTC One?
The primary purpose would be to alleviate data costs from Sprint.
Stephen304 said:
I recently unlocked my sim slot, and I have a mobile internet sim from T-Mobile. Since the Sprint HTC One supports the band for T-Mobile 3G, would it be possible to get 3G from T-Mobile for data on my Sprint HTC One?
The primary purpose would be to alleviate data costs from Sprint.
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You answered the quuestion by yourself. Look here http://forum.xda-developers.com/showthread.php?t=2386703
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elvisypi said:
You answered the quuestion by yourself. Look here http://forum.xda-developers.com/showthread.php?t=2386703
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I can't seem to get it to work though. I tried manually adding a tmobile apn, i set it to global mode, still says im offline then goes to 1x from sprint. Any advice?

[Q] Can a Sprint HTC One be modded to work on ATT?

I know as the phone sits currently it will not work with AT&T but I was wondering if anyone had found a way around the differences in the networks to make it compatible. You people are pretty smart here so I'm sure someone has. :good:
There's actually a way to SIM unlock your Sprint HTC one to use almost every network using a SIM card but it will lack certain frequencies. U will be able to use 3g and certain locations will let u use 4g based on the frequency in the area.
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luigi311 said:
There's actually a way to SIM unlock your Sprint HTC one to use almost every network using a SIM card but it will lack certain frequencies. U will be able to use 3g and certain locations will let u use 4g based on the frequency in the area.
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I have heard of people doing this and still not being able to use AT&T because of the different frequencies with Sprint and ATT. If I can just SIM unlock the phone and use the voice I would be happy. But I have not seen where anyone has had any luck with getting AT&T voice to work on a Sprint phone. I will try it thought and see what I get!
Could you post a link to directions on SIM unlocking the HTC One? It would be greatly appreciated.

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