Database Users

AT&T 850 MHz 3G

I've been searching around and I can't get a definite answer...
Can the vibrant pick up the AT&T 850 MHz 3G network? Is there any way to turn on this feature?
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Yes. The 1900mhz I believe as well. Idk what you search but Google "Vibrant on at&t 3G"
http://www.google.com/search?hl=en&...vibrant+on+att+3G&aq=f&aqi=g-s1g-ms1&aql=&oq=
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Use SGS Tools. Select secret codes. Scroll down to band selection and it will give you all the options.
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I've turned every band on, but I'm still only on edge...
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wearmaize said:
I've turned every band on, but I'm still only on edge...
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Are you using the correct APN settings?

Don't really know what mine is set on but im running bionix v and my vibrant is unlocked and it works perfectly on 3g att so it will run on 3g
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I can get 3G in other areas, but not here, which leads me to believe it's just a 850 MHz band.
I can take out the SIM and put it in an iPhone and it picks up 3G just fine, whereas the vibrant is stuck on edge. It's frustrating to keep having to reboot the phone to pop out the SIM
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wearmaize said:
I can get 3G in other areas, but not here, which leads me to believe it's just a 850 MHz band.
I can take out the SIM and put it in an iPhone and it picks up 3G just fine, whereas the vibrant is stuck on edge. It's frustrating to keep having to reboot the phone to pop out the SIM
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Its got to be unlocked doesn't it to work on att 3g network don't it?

Here we go again...
Here we go again. If you are referring to the T-Mobile USA Vibrant, it does not have support for 850Mhz UMTS bands. Period. The FCC says so. That is pretty definitive as far as I am concerned. It does not matter what some piece of software shows you. The hardware is not capable as it sits in the T-Mobile USA Vibrant. Search the FCC database for the Vibrant. GSM 850Mhz ≠ UMTS 850Mhz.

Pretty sure it's just 1900MHz. The FCC documents would have included the 850MHz band if it was really there.
Edit: Lol, yeah what he said.
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Thanks for clearing it up now comes the dilemma of deciding whether to use the vibrant or an iPhone that uses the 3G speeds...
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Tmobile Vibrant does have capability to operate on ATT 3G network.
I could get it working with iphone sim card.
Specification also includes ATT frequencies.
Att is using two frequencies for 3G.

If it don't run on 3g then why does my vibrant have a 3g data icon and is blazing fast on it?
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It runs on 3G in areas where AT&T uses 1900MHz for 3G. It runs on Edge in areas where AT&T only uses 850MHz for 3G.
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joe3681 said:
Yes. The 1900mhz I believe as well. Idk what you search but Google "Vibrant on at&t 3G"
http://www.google.com/search?hl=en&...vibrant+on+att+3G&aq=f&aqi=g-s1g-ms1&aql=&oq=
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No. No it can't.
Jesus Christ. Is it really that hard to not respond when you clearly don't know what the hell you're talking about?

Yes yes it can like I said I have a us vibrant and it switches between e witch is edge and 3g don't know how but it has a 3g icon that tells me that its on 3g if it not then why does it say 3g? And it is a beast on 3g on every once in a while it will have a H icon most of the time it SAYS 3G!!!!
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jlg19753 said:
Yes yes it can like I said I have a us vibrant and it switches between e witch is edge and 3g don't know how but it has a 3g icon that tells me that its on 3g if it not then why does it say 3g? And it is a beast on 3g on every once in a while it will have a H icon most of the time it SAYS 3G!!!!
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because of this:
inconceeeivable said:
It runs on 3G in areas where AT&T uses 1900MHz for 3G. It runs on Edge in areas where AT&T only uses 850MHz for 3G.
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Precisely.
The Vibrant does not have 850mhz 3g support. Only AWS(1700)/PCS(1900)/IMT(2100) 3g support.

Wow...just wow. Seriously, the FCC does not generally lie about things like this. And no, I don't think it is a big conspiracy in this case...lol

kmdub said:
Wow...just wow. Seriously, the FCC does not generally lie about things like this. And no, I don't think it is a big conspiracy in this case...lol
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I'm not sure what this is about. Maybe it's just wishful thinking run amok...seems like most of these people either want to switch to AT&T or bought the phone intending to use it on AT&T, have since found out that it won't work in their area, and are refusing to ultimately admit to themselves that it won't work.
People like to think to themselves, "Well, maybe the FCC screwed up and I DO have a pentaband (or quadband?) 3G phone." The slightest bit of uncertainty encourages such thoughts...there are threads with jokers enabling the fake 850MHz menu selection and exclaiming, "OMG, I have AT&T 3G on 850MHz" when they already had it on 1900MHz. People who bother googling the question ahead of time will no doubt find some older, confusing threads.(Albeit they will hopefully find more and more threads with people like us saying "No, it's not in the FCC docs," etc.)
We should have a sticky or something about this lol.

Yes, I googled it and found conflicting reports which is why I came here to clear it up.
Thanks again
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[Q] Is their any way to use CDMA sim in I5801 ?

Hello Everyone.. Need an Help. I want to know is their any way to use an CDMA sim in Galaxy 3 ?

I don't think you will be able to use cdma sim as frequencies used in our phone and the sim are different (a lot).
This is why the same phone is released twice (once gsm and other cdma) in some countries where cdma is used more
T mobile 3g frequency in america is about 100 Mhz more than what most of phones over there can operate at. That is why it lost popularity.
If there was a way why would phones have a limit to their frequecies
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Do CDMA phones even use Sims? I'm pretty sure the network is built in to the phone.
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NIMBAH said:
Do CDMA phones even use Sims? I'm pretty sure the network is built in to the phone.
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He did not mention cdma phone.
It is galaxy 3 which is available only in gsm (I think) .
You get cdma Sim cards just like gsm sims
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rahulpoptani said:
Hello Everyone.. Need an Help. I want to know is their any way to use an CDMA sim in Galaxy 3 ?
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Nahi re rahul...you can not do that. its GSM phone.

3G plans and USB 3G Modem

Hey. I got an Alcatel USB 3G Model that can work with USA carrier. Does someone know if I will insert T-Mobile data plan sim it will work?

bar_rodoy said:
Hey. I got an Alcatel USB 3G Model that can work with USA carrier. Does someone know if I will insert T-Mobile data plan sim it will work?
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Maybe. If it works on 1700Mhz and can use HSPA+ it will be able to do 3G. If it only gets 1900Mhz with GSM then it can do Edge.

Unless your area has been refarmed.
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MrObvious said:
Unless your area has been refarmed.
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MrObvious, It's not very obvious what refarmed is. What do you mean by that?

They are working nationwide on putting 3g not just on their 1700/2100 classic 3g frequencies but the more standard 1900 MHz since their Edge uses that frequency.
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MrObvious said:
They are working nationwide on putting 3g not just on their 1700/2100 classic 3g frequencies but the more standard 1900 MHz since their Edge uses that frequency.
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Cool, maybe then I will be able to get 3G on my Android phone when it's on 1900 but since I can't get 3G or 4G now I'm not holding my breath.

stevec5000 said:
Cool, maybe then I will be able to get 3G on my Android phone when it's on 1900 but since I can't get 3G or 4G now I'm not holding my breath.
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You'd be surprised. I'm waiting for it too.

VZW G2 compatibility with GSM

The spec sheet for the Verizon G2 say that it's capable of both world GSM and CDMA, but someone said that it wouldn't work on any other network. Can someone confirm this? I really want the Verizon one because of wireless charging and lack of tabs in settings menu, but it's no good if it won't work.

[QUOTE=droid_
I think it is GSM unlocked but for outside of the US only. And BTW the tabbed settings layout is configurable on all versions.
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XanoZuke said:
droid_
I think it is GSM unlocked but for outside of the US only. And BTW the tabbed settings layout is configurable on all versions.
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Well, I'm not from the US anyways...
For the settings, I figured that one out today, so I might just go with ATT. They rooted it flawlessly and plus ATT has the lowest price. Apparently they found it extremely difficult to root the VZW at first because there were no drivers for VS980.
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I might be getting the VZW version because I live outside of the US too and my carrier works on 3G 900Mhz and (correct me anyone if I'm mistaken) the AT&T version does not support that band.
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Verizon works in the US and is SIM unlocked. Using metro and T-Mobile Sims now as I test out their networks......
Edit: let me also point out you have to add the apn if you want data. You don't have to call Verizon or anything. Just plug in the SIM card of your choice add the apn and you are good to go. This has been done on all verizon LTE phones with SIM cards as long as the phone supports the bands of the network you are trying to use.
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droid_<3er said:
XanoZuke said:
Well, I'm not from the US anyways...
For the settings, I figured that one out today, so I might just go with ATT. They rooted it flawlessly and plus ATT has the lowest price. Apparently they found it extremely difficult to root the VZW at first because there were no drivers for VS980.
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Drivers weren't the issue. It just took a while because people didn't realize you had to select "Ethernet" as your USB connection mode. Takes a single tap and you can use the driver that comes on the phone.
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4g lte on xperia sp

can anyone tell me how to set 4g lte on my xperia sp rooted on ofw cuz my carrier doesn't send me the radio update and everytime i set 4g it goes to 3g again my sim three uk and my eria has 4g coverage

Do you have a contract that gives acces to LTE network?

mrjraider said:
Do you have a contract that gives acces to LTE network?
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Happened to me in Vodafone, I contacted them and they gave me access to 4g networks with no additional cost
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I have an SP on three aswell man, my stock 4.1 didn't have the 4G option too, I'm on EXistenZ and i have 4G now
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Same here. No option for 4g on stock rom while on three
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Dial: *#*#4636#*#* and go into Phone information in there you can select radio..

Won't let me change it
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mrjraider said:
Do you have a contract that gives acces to LTE network?
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izz77 said:
can anyone tell me how to set 4g lte on my xperia sp rooted on ofw cuz my carrier doesn't send me the radio update and everytime i set 4g it goes to 3g again my sim three uk and my eria has 4g coverage
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Maybe you need a 4G sim? If i remember correctly when 3g came around for orange i had a 3g phone but my sim wasn't 3g so therefore i had to buy a 3g sim card in order for the 3g capabilities on my phone, Unless you ring up 3network and explain to them your having trouble getting 4g on your device,
They'll probably tell you you'll need a new sim or something

According to the site it's a software upgrade from three that's needed
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There's just not much reliable coverage yet, there's no need for a software update on an android phone, if it's capable it will get it. I often get an lte connection when I'm out and I did no such update
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izz77 said:
can anyone tell me how to set 4g lte on my xperia sp rooted on ofw cuz my carrier doesn't send me the radio update and everytime i set 4g it goes to 3g again my sim three uk and my eria has 4g coverage
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Did you set network mode to LTE(preferred) in mobile network settings?

@non4 said:
There's just not much reliable coverage yet, there's no need for a software update on an android phone, if it's capable it will get it. I often get an lte connection when I'm out and I did no such update
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According to site like I said
How can I get 4G?
To get 4G when it comes to your area you need to make sure you’ve downloaded all the latest software updates on your 4G device. Your 4G update is not labelled as 4G, so we recommend you download all software to ensure you have access to 4G when it comes to your area.
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For it to show lte mobile data must be on if it's not it won't say lte
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