Technology of [email protected] - Galaxy S III Q&A, Help & Troubleshooting

I am curious. Is the [email protected] able to cover GSM & CDMA in a way that the same ROM can be used on either a GSM carrier such as T-Mobile and a CDMA carrier such as US Cellular? I see that the I9300 model seems to be universal, whereas before the various carriers used different model numbers for the same phone (ie: Galaxy S).
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dbethards said:
I am curious. Is the [email protected] able to cover GSM & CDMA in a way that the same ROM can be used on either a GSM carrier such as T-Mobile and a CDMA carrier such as US Cellular? I see that the I9300 model seems to be universal, whereas before the various carriers used different model numbers for the same phone (ie: Galaxy S).
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I'm not 100%, but I think it'll be closer to what Galaxy Nexus is...they have GSM/CDMA developement and most of the roms are compatible across...they all have the same hardware, but different radios to work on different networks...so GS3 will be different as far as the International version, but as far as the TMO/ATT/SPRINT variants, it will be very close.

Related

Configuring different carriers

Hi,
I currently have an HTC Desire running on Puerto Rico's Open Mobile CDMA EvDo Rev. A network. It seems to me that the Galaxy S2 does support this network, and I had the Vibrant before and loved it, so I'm thinking about selling my phone for an S2.
Now, I've been searching info on how to configure / change carriers on the S2, as the phone is not available on mine. Haven't found that yet.
Anyone have a link / tutorial I can use?
Thanks!
The international sgs2 does not support CDMA, the sprint (USA) version of the sgs2 supports CDMA but you would have to check what bands your local carrier uses compared to sprint, and if you can activate an American phone on the network even if the bands match.
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veyka said:
The international sgs2 does not support CDMA, the sprint (USA) version of the sgs2 supports CDMA but you would have to check what bands your local carrier uses compared to sprint, and if you can activate an American phone on the network even if the bands match.
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Thanks, I'll look into this!

AT&T and ROGERS GNote

Will everything that works for the at&t note work for the Rogers note? Like unlocking, rooting and custom roms?
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Yuongn said:
Will everything that works for the at&t note work for the Rogers note? Like unlocking, rooting and custom roms?
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Click to collapse
They will most likely use the same rooting methods.
Possible the same ROMs
And it's possible they may require a different kernel.
It's really hard to say though. Your best answer is to look at previous Rogers / AT&T phone development on Samsung phones. I really hope they share the same ROMs.
They NEVER use the same ROM but it is not to say you can't interchange ROMs. Sometimes, there is some very small hardware differences as well. They have different product code as well. By all means, they are not the same phone.
I have owned several rogers phones that are also on at&t i can confirm that so far thy have been identical only major difference is one has at&t crap and one has rogers crap. As far as Roms they are usually the same.
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Are the Bell and Telus versions also interchangeable with the at&t version? With regards to both development and general network use (voice, UMTS, LTE...)
Reason I'm asking is because those 2 carriers don't brand their phones unlike Rogers and at&t. The Streak and international phones have spoiled me in that way.
That i can't say forsure but my guess would be they are all the same. If anything the kernels may been to be changed depending on your network
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THe Robellus ones will have 1700 AWS LTE whil the AT&T one does not include these frequencies, or so is the norm on most devices according to what i have heard
You will know when the rest of us do.
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The Radio is usually the biggest difference other than the bloat from both companies

Ive never heard of this

Hi just wondering if any of u guys heard about this i was gonna buy a gs2 today from somebody and its a tmobile phone but the tripped out part is that it only accepted at&t sim cards not tmobiles. Any ideas thanks
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T mobile S2 is different from the international version. There is a separate forum for it on xda.
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The phone is obviously sim-locked, no need to redirect him to another forum.
dizzydz said:
The phone is obviously sim-locked, no need to redirect him to another forum.
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Yes I understand that, but his problem is that it's T mobile but locked to at&t which is weird. Maybe someone in the correct forum knows about it. I doubt people here have heard of such a thing.
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So should i keep looking on this forum or try the other?
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endz213 said:
So should i keep looking on this forum or try the other?
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First thing you need to do is confirm model number. Look on the label under battery. Is it GT-I9100? Could be that it's a European T-Mobile Galaxy SII that somehow got sim-locked to AT&T.
T-Mobile Europe is different than T-Mobile USA, and uses different frequencies.
EDIT: FYI, GT-I9100 will work on both T-Mobile USA and AT&T, but will only get Edge data speeds on T-Mobile USA. It only gets 3G/H/H+ on AT&T's network, or other network that uses the same frequencies as AT&T. T-Mobile USA has their own bastardized version of the Galaxy SII, which is the SGH-T989.
In addition to that, AT&T has their own branded version of the Galaxy SII, which is the SGH-I777, and a bastardized version that is LTE enabled called the Skyrocket, which is the SGH-I727.
And this doesn't even mention all the other models for other North American carriers, or any of the Asian variants.
All really confusing, huh? Clear as mud?

What's the difference between SGH-T999 and SGH-T999V?

Samsung has source posted for both. What are the differences between these models?
I have an SGH-T999 and it's a blue T-Mo 16GB model (dual-core/2GB ram).
I believe the T999V is the Canadian AWS version.
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The SGH-T999v is for WIND in Canada I believe.
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Jaxidian said:
Samsung has source posted for both. What are the differences between these models?
I have an SGH-T999 and it's a blue T-Mo 16GB model (dual-core/2GB ram).
Click to expand...
Click to collapse
According to the following article, it appears that T999 is the US TMo model, and the T999v may be a Canada-specific model.
http://mobilesyrup.com/2012/05/15/g...s-support-page-coming-to-wind-and-mobilicity/
At first I thought the two source codes may be the same (just identical copies), but they are actually two different sizes.
I know for the SGS2 Bell Canada would have the I9100M compared to the I9100 international version. For the I9000 Bell had the I9100M.
The V could signify its for Wind Mobile or Mobilicity? Usually the firmware for the I9100 would work flawlessly on the I9100M only difference was some modem files had to be borrowed from the M roms. Same for the I9000.
Continuing with the trend i would wager a guess that the I999 firmwares would work on the I999V. Whatever the differences are if your having specific problems (likely radio if anything) just borrow the modem file and away you go.
Why all the different versions? Because specific carriers like to tweak their phones just a little. FFC, no FFC, NFC or no, Specific frequency bands, theres lots of options and each one needs a slightly different number / letter.
Hope it helped! (If it did hit thanks!)
Babydoll25 said:
The SGH-T999v is for WIND in Canada I believe.
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I have the s3, from Videotron, and my model# is also SGH-T999v, and I just assumed the v was for videotron, but I guess all Canadian models have it.

Sprint Galaxy S 3 (USA) vs international galaxy s 3 question

Here is my issue. I am currently in the US. I might teach ESL overseas in Korea in January. I am not sure which phone to get. Will the USA one work over in Korea? Will thew international one work in the US?
It could work but Sprint has the radios locked.
Would developers be able to get them unlocked?
Buy international set
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thegameksk said:
Would developers be able to get them unlocked?
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They propably can but the intl one supports more radio frequensies and is assembled to work worldwide so I'd buy it in any case rather than us version.
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The international one works in the US flawless... just not on all carriers... it works the best on AT&T if you want to use it in the US and get 4G(HSPA+)
You can use it on T-Mobile but you will have to settle for EDGE(2G)
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It would work on most carriers which uses the international frequencies.
Not just AT&T for US. Works with Rogers, Fido, Telus, and Bell Mobility in Canada for instance.
YoungAceAtlanta said:
The international one works in the US flawless... just not on all carriers... it works the best on AT&T if you want to use it in the US and get 4G(HSPA+)
You can use it on T-Mobile but you will have to settle for EDGE(2G)
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Just a side note, HSPA+ is not 4G. It's still 3G. LTE/WiMax is 4G.
so which companies will it work with 4g/lte? Will it not work with Sprint? Anyone know any deals for the international version?
Sprint (and Verizon) is on an old CDMA network while the majority of the world is on GSM, you know, operating with a SIM card. If you're set on travelling, it's better to get any of the GSM-variant, that way, you can just pop in any sim card from any major carriers all over the world.
I currently have a photon which has a sim card slot in it. So the Galaxy s international wont work on Sprint? Damn I want to keep my SERO plan lol. So where can I get an international verison from? Also would I have to pay full price for it?
Does the photon has an active sim card in it? I'm assuming no. I've never used a dual-mode phone before (nor am I familiar with how they operate on different networks), so I dont know the ins-and-outs on how to get it activate for a GSM carrier.
Damn, now i have a headache just trying to figure out how it works to have an intl GSM phone on a network that is predominantly CDMA whom happens to offer a dual-mode phone on their network
Call sprint problem solved
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Chaos Residue said:
Just a side note, HSPA+ is not 4G. It's still 3G. LTE/WiMax is 4G.
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Click to collapse
In 2010 the International Telecommunications Union redefined 4G to include HSPA+.
http://www.pcmag.com/article2/0,2817,2374564,00.asp
thegameksk said:
I currently have a photon which has a sim card slot in it. So the Galaxy s international wont work on Sprint? Damn I want to keep my SERO plan lol. So where can I get an international verison from? Also would I have to pay full price for it?
Click to expand...
Click to collapse
The SIM in the Photon is just for roaming. Sprint does not use SIM cards - even their LTE phones have them embedded rather than user-accessible.
As the Sprint Galaxy S III is not a 'global' phone - i.e. does not have both GSM/UMTS and CDMA radios - do not purchase it if you have any intention of using it outside the US. CDMA is no longer a global technology.
Confuses me a little that people spend so much on devices without checking what networks they support. Ho-hum.
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