Unlocked Phone - Which SIM - AT&T, Rogers, Bell, Telus Samsung Galaxy S III

I have an unlocked ATT GS3. I'll be going to Canada at the end of the summer. Can I assume that I can use Rogers, Bell, or Telus prepaid cards with my phone since the phones are almost the same?

Should be fine Rogers is the at&t of Canada
hmmm.....

You can use Rogers, telus, bell, fido, koodo and virgin.
They all use the same network bands as att, so whichever network would offer you the best deal at the time would be the best choice.
Furthermore, Fido is Rogers discount brand that uses the same towers, koodo is telus discount brand, and virgin is bell (in Canada at least) as far as tower and network coverage goes.
One step more, bell and telus have a agreement across the country where they share some towers, generally this only takes place outside of higher population areas though.
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[Q] SGH-I747M - Unlocking and changing carrier networks

Hello guys! I'm using the I747M variant which I bought from Rogers about 8 months ago and I want to know if I can switch to other carriers network here in Canada via unlocking because Rogers' available phone plans are just a pain in the ass so I want to switch networks. So please kindly share any information regarding unlocking and changing carrier networks. Thanks in advance
GlassRaven said:
Hello guys! I'm using the I747M variant which I bought from Rogers about 8 months ago and I want to know if I can switch to other carriers network here in Canada via unlocking because Rogers' available phone plans are just a pain in the ass so I want to switch networks. So please kindly share any information regarding unlocking and changing carrier networks. Thanks in advance
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Once unlocked, It is guaranteed to work with Bell and Telus.
Hope this helps :good:
Search for it, it's around here in the forums for free. You just need a simcard from the next provider you wish to go to.
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NightSkylar said:
Once unlocked, It is guaranteed to work with Bell and Telus.
Hope this helps :good:
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How about on other networks such as Mobilicity? My mom is on a plan on Mobilicity and I also want the same plan because my phone is kinda useless without internet and not even a caller ID.
once unlocked it'd most likely work
but for the data part, i can't really say because different mhz on different carrier network..
so 70% chance that you will only get Edge in your area
Does anyone knows any information on how to change radio frequencies on a phone? I've seen some SG3 on ebay.ca that is labelled as "Pentaband" and could work with any carrier network here in Canada. Can someone please explain to me how does this work? And is it possible for my phone to be converted into a "Pentaband" phone?
Mobilicity does not use the same bands as Rogers, Bell or Telus for its HSPA/HSPA+ service. As Pcshano said, your phone would work on Mobilicity, but only on Edge.
You encounter the same problem as T-Mobile users in the US, and WIND and Videotron in Canada. See [WIP][BOUNTY] Enable 3G on 1700MHz for ATT Galaxy S3 i747 on efforts to enable HSPA on 1700MHz on the i747.

Verizon Phone

Hello,
I couldnt find anything on this thread before posting. I am a Verizon user and just upgraded to Galaxy s4, i have a friend thats on AT&T network. Can I switch this verizon phone to AT&T, if so please refer me to correct section to do so
lazersate said:
Hello,
I couldnt find anything on this thread before posting. I am a Verizon user and just upgraded to Galaxy s4, i have a friend thats on AT&T network. Can I switch this verizon phone to AT&T, if so please refer me to correct section to do so
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Let's see. You are on Verizon. With a S4. This is the AT&T S3 forum. Yep, I would say wrong area.
Try asking in this forum. http://forum.xda-developers.com/forumdisplay.php?f=2258
But general guess would be no.
No i'm giving him my old Verizon Galaxy S3 to be used on AT&T
lazersate said:
Hello,
I couldnt find anything on this thread before posting. I am a Verizon user and just upgraded to Galaxy s4, i have a friend thats on AT&T network. Can I switch this verizon phone to AT&T, if so please refer me to correct section to do so
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Your Verizon or Sprint S3 can be unlocked and flashed to work with another CDMA carrier such as Cricket/boost/Metro etc.
AT&T and T-mobile use sim cards and can be unlocked to switch between GSM carriers. So unless I am mistaken, it is not possible to use a Verizon s3 on AT&T.
you have CDMA version; friend is GSM. will not work on this device. Most of the world is GSM; i travel a lot so i always use GSM carrier in USA. There are no CDMA carriers in France, Greece, Italy, (im Greek and have friends/family/work in Southern Europe) UK (i think Ireland proper has CDMA carrier) and only one in Belarus, one in Ukraine and two in Russia (GF is from that area) so we stick with GSM from carriers in USA now (used to buy intl models when WinMo5/6 was popular).
BYOBret said:
Your Verizon or Sprint S3 can be unlocked and flashed to work with another CDMA carrier such as Cricket/boost/Metro etc.
AT&T and T-mobile use sim cards and can be unlocked to switch between GSM carriers. So unless I am mistaken, it is not possible to use a Verizon s3 on AT&T.
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technically, i believe the verizon s3 takes a sim card for LTE....... but even with that said, a verizon s3 isn't going to work on ATT because of it having a cdma radio instead of a gsm.
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Thank you for replies. And mod sorry for posting incorrectly
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[Q] TMO Note 2 on Straight Talk on AT&T, can I do this?

I would like to use my T-Mobile Note 2 on Straight Talk on the AT&T network. I'm currently using Solavei running under T-Mobile's network, but T-Mobile isn't cutting it in my area. I really want to run on the AT&T network. Solavei only runs on TMO.
TMO is great when I can get 4G but it sucks when others in the same physical location can get AT&T to 4G and TMO is E or G network.
Examples of where AT&T is working great but TMO isn't are: up in the canyons (Millcreek, SLC, Utah), over the dunes at the beach (Topsail, NC), at my house (SLC, UT).
Questions:
1. Can I do this? Run a T-Mobile Note 2 on Straight Talk on the AT&T network?
2. If so, If I buy a sim from Straight Talk what does it take to make sure it runs on the AT&T network and not on TMO? I'd really hate to go through all that and still end up on TMO and not AT&T. I've already had an AT&T sim running in my Note 2 and everything was working great. I just didn't want to pay AT&T prices.
3. I've heard that Straight Talk will switch from TMO to AT&T depending on what area on the country you live in. Is this true? Is there anyway to override this?
4. I've heard that you can't buy AT&T sims anymore from Straight Talk. There seems to be a market now for AT&T sims that were available at the beginning of the year but are not now.
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I'm using a T-Mobile Note 2 on Staight Talk with AT&T. You will have buy a att straight talk sim from off of ebay. They are like $50 PLUS. I was just sure I was gonna get g2 for data but I get 4g with like G2 speeds.

Sim Unlocked TMO S4 - Frequencies Question

I have a T-Mo Galaxy S4 that was SIM unlocked through unlockerDotnet.
I've heard that the T-Mo S4 is better than AT&T for a variety of reasons, but more importantly that it picks up all of T-Mobiles HSPA+ along with AT&T's network. So in theory, having it sim unlocked, I could fully utilize t-mobile's service and at&t's service to their full potential. Can anyone confirm this?
Reason I ask was I was speaking with a TMO rep once and he said the international unlocked version wouldn't pick up on the full spectrum of TMO frequencies, but it should be fine with AT&T. Ideally I want to get into a situation where I have the option to jump between the two through their full spectrum, or any mvno's that use their towers as well.
Thanks for the clarification! :laugh:
Details and specifics appreciated!
You can enable tmo AWS bands on AT&T S4. 2 phones are the same, basically the tmo version has the extra bands enable out of the box.
tengtengvn said:
You can enable tmo AWS bands on AT&T S4. 2 phones are the same, basically the tmo version has the extra bands enable out of the box.
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Thanks for the heads up :good:
So there wouldn't be any disadvantage to running the sim unlocked TMO S4 on ATT? I'd still pick up on all their 3g/4g/lte frequencies?
Much appreciated my friend
It will work its full potential on AT&T network if that what you want it to do.
tengtengvn said:
It will work its full potential on AT&T network if that what you want it to do.
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Wait a minute... The ATT version has the tmobile bands too? I thought it was missing two of them.
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http://galaxys4root.com/galaxy-s4-t...aws-bands-on-att-galaxy-s4-sgh-i337sgh-i337m/
tengtengvn said:
http://galaxys4root.com/galaxy-s4-t...aws-bands-on-att-galaxy-s4-sgh-i337sgh-i337m/
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I got another reply on a different forum that said
"T-Mobile's phone will work on both AT&T and T-Mobile however im not sure if the 4g LTE will work on AT&T's Network but either way you will only be able to use one or the other at any one time."
So, just to clarify, or rephrase rather, will 4G LTE work on ATT's network with the sim-unlocked TMO S4, or would it be beneficial to go with the ATT S4 and open up the TMO bands?
Sorry to beat the dead horse, just want to try and verify HSPA+ and both Tmo LTE and Att LTE will work with my setup, or if I should switch to ATT or International Unlocked version.
Again, many thanks for clearing this up!
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kennyglass123 said:
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K. Can anyone help me out with that last question that knows LTE tech fairly well? I read a bit about frequencies here and from what I can tell it seems like the LTE frequencies are 1.4MHz, 3MHz, 5MHz, 10MHz, 15MHz, and 20MHz pending which geographic market you are in, but I'm not sure if there's anything else hidden in regards to carriers have specific LTE frequencies, and if so if any that a TMO sim unlocked S4 doesn't have.
In the end, i'm 90% going to be on TMO or a MVNO, but on the slight chance (or if i'm working around the country in a very rural area) I may want to switch to ATT and possibly their new prepaid service they're going to announce. Anyways, thanks again
My unlocked TMO S4 works perfectly on ATT LTE, doing it right now and have been for the last few weeks. That's why I bought it also was to hop between carriers.
While you can get the ATT S4 to work with TMO it's more difficult and not ready to go out of the box. I tried that and ended up just returning the ATT one.
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aranock said:
In the end, i'm 90% going to be on TMO or a MVNO, but on the slight chance (or if i'm working around the country in a very rural area) I may want to switch to ATT and possibly their new prepaid service they're going to announce. Anyways, thanks again
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T-mobile just dropped the price of their S4. There's no reason to get the ATT one but in case you get one and want an easy way to unlock the extra bands, follow this thread: http://forum.xda-developers.com/showthread.php?t=2324667
kevroc said:
My unlocked TMO S4 works perfectly on ATT LTE, doing it right now and have been for the last few weeks. That's why I bought it also was to hop between carriers.
While you can get the ATT S4 to work with TMO it's more difficult and not ready to go out of the box. I tried that and ended up just returning the ATT one.
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I have a T-Mobile variant s4 unlocked using it on AT&T network and just did my first speed test and......was very disappointed!
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[Q] Sprint S3 unlocked for T-Mobile? (US) Doable?

After researching this for hours on Google and YouTube, I can only find spotty information about whether or not a Sprint Galaxy S3 can be unlocked for use with T-Mobile. (Certainly no tutorials.) Does anyone know?
My 2 main questions are:
1 -- They say you can unlock a Sprint S3 for any CDMA carrier, but how do you get your SIM information onto the phone, seeing as there's no SIM card slot?
2 -- The phone supports Sprint's LTE. Will T-Mobile's LTE work?
God-Man said:
After researching this for hours on Google and YouTube, I can only find spotty information about whether or not a Sprint Galaxy S3 can be unlocked for use with T-Mobile. (Certainly no tutorials.) Does anyone know?
My 2 main questions are:
1 -- They say you can unlock a Sprint S3 for any CDMA carrier, but how do you get your SIM information onto the phone, seeing as there's no SIM card slot?
2 -- The phone supports Sprint's LTE. Will T-Mobile's LTE work?
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You've nearly answered your own question.
CDMA is technology used by Sprint and Verizon, which does not involve a SIM card.
GSM is the technology, used by T-Mobile and AT&T, that employs SIM cards.
CDMA phones will not work on GSM networks.
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