Hello there folks,
I am new to all this Android & Samsung galaxy S III world...
I recently bought Samsung galaxy S III (U.S. Cellular variant).
I know U.S. cellular is CDMA but it does have a SIM card slot.
I want to know if I root and unlock my cellphone, will I be able to use my AT&T connection.
Thanks for help.
-Champ
No.
Sim slot is for LTE.
Sent from my GT-I9300 using xda premium
champ5182 said:
Hello there folks,
I am new to all this Android & Samsung galaxy S III world...
I recently bought Samsung galaxy S III (U.S. Cellular variant).
I know U.S. cellular is CDMA but it does have a SIM card slot.
I want to know if I root and unlock my cellphone, will I be able to use my AT&T connection.
Thanks for help.
-Champ
Click to expand...
Click to collapse
You can't take a CDMA phone and use it on GSM or vice versa. The technologies are incompatible.
Hey guys, I'm getting my hands on my friend's Galaxy S4. He is on an AT&T plan and got then phone from them through an upgrade. I personally prefer Verizon. I was wondering if I could get some help on making his phone work for me. I have a SIM card and everything, currently using a RAZR MAXX. I've done a little looking around, and from what I gathered, the phone is capable of working with verizon, but I'll have to load a different kernel and ROM onto it. I've looked through http://forum.xda-developers.com/showthread.php?t=2295557 that thread and found some nice info, but I'm not yet confident enough in my knowledge to go through with it. I've decided on the http://forum.xda-developers.com/showthread.php?t=2305781 CLEANROM 1.6.5, but I don't know what else I'm going to need to have in order to make this phone work for me. I also don't know if I'll need to download the Verizion or the AT&T version of this. Thanks for all the help, I'm really wanting to make this work for me so I can actually get a powerhouse of a phone.
Xray55 said:
Hey guys, I'm getting my hands on my friend's Galaxy S4. He is on an AT&T plan and got then phone from them through an upgrade. I personally prefer Verizon. I was wondering if I could get some help on making his phone work for me. I have a SIM card and everything, currently using a RAZR MAXX. I've done a little looking around, and from what I gathered, the phone is capable of working with verizon, but I'll have to load a different kernel and ROM onto it. I've looked through http://forum.xda-developers.com/showthread.php?t=2295557 that thread and found some nice info, but I'm not yet confident enough in my knowledge to go through with it. I've decided on the http://forum.xda-developers.com/showthread.php?t=2305781 CLEANROM 1.6.5, but I don't know what else I'm going to need to have in order to make this phone work for me. I also don't know if I'll need to download the Verizion or the AT&T version of this. Thanks for all the help, I'm really wanting to make this work for me so I can actually get a powerhouse of a phone.
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Click to collapse
Nope. it won't work.
xuanphucn said:
Nope. it won't work.
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Click to collapse
Is what I read about on the post I linked not true then?
Xray55 said:
Is what I read about on the post I linked not true then?
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Click to collapse
Your link is to a thread regarding other variants of S4 roms. Although you can use other S4 roms on the i337, the phone wont work on verizon carrier.
Kaze105 said:
Your link is to a thread regarding other variants of S4 roms. Although you can use other S4 roms on the i337, the phone wont work on verizon carrier.
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Click to collapse
I'm not sure about that. ROM shouldn't matter too much, you just have to have it SIM unlocked and I believe it won't work too well due to the different frequencies between carriers and so you may not get LTE or something. Maybe someone can correct me though.
Sent from my GT-I9505 using xda app-developers app
Verizon/Sprint phones use CDMA.
ATT/T-Mobile use GSM
I don't think you can use a CDMA phone on a GSM network and vice versa.
EDIT:
Per the replies below, it looks like it ispossible.
Here is a thread from the Verizon forums.
Also, if this WIKI page is correct, the Verizon S4 has both CDMA and GSM radio's where the ATT S4 only has a GSM radio.
The first thing to identify on the phone is whether or not it is on the stock AT&T ROM and what version that ROM is. If it is I337UCUAMF3 then changing the bootloader/kernal/rom is not even an option to begin with which means there would be no way to change out the modem to support other carrier bands (such as those used by Verizon). On top of that, although I have heard that the modem hardware is the same on all versions of the S4 I have not heard anyone confirm that they have successfully enabled CDMA services on the I337.
rayburne said:
Verizon/Sprint phones use CDMA.
ATT/T-Mobile use GSM
I don't think you can use a CDMA phone on a GSM network and vice versa.
Click to expand...
Click to collapse
There are some that work on other networks without the need for modem changes. I read about some using the Verizon on AT&T, and I used the droid Bionic, a Verizon exclusive with a locked boot loader, on AT&T.
Sent from my SGH-I337 using xda app-developers app
The strange thing is you can use a Verizon S4 on AT&T but you can't do it the other way around. Verizon phones all come unlocked, allowing you to use the phone anywhere around the world.
The AT&T S4 does not contain the CDMA chip allowing you to use it on the Verizon network, plus it has to do something with IMEI. If you give the IMEI to Verizon, they won't be able to locate which device you are trying to activate because it's not in the system. But if you use a Verizon S4 and put in a AT&T SIM card, you don't have to register the IMEI with AT&T or T-Mobile.
emckai said:
The strange thing is you can use a Verizon S4 on AT&T b.
you can't do it the other way around. Verizon phones all come unlocked, allowing you to use the phone anywhere around the world.
The AT&T S4 does not contain the CDMA chip allowing you to use it on the Verizon network, plus it has to do something with IMEI. If you give the IMEI to Verizon, they won't be able to locate which device you are trying to activate because it's not in the system. But if you use a Verizon S4 and put in a AT&T SIM card, you don't have to register the IMEI with AT&T or T-Mobile.
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I can confirm that this is true about the verizon s4. I have a Verizon s4 and have used AT&T and straight talk on it. My brother uses that phone daily on his AT&T account.
I will test my AT&T s4 when I get around to finding my sim card.
sundigen said:
I can confirm that this is true about the verizon s4. I have a Verizon s4 and have used AT&T and straight talk on it. My brother uses that phone daily on his AT&T account.
I will test my AT&T s4 when I get around to finding my sim card.
Click to expand...
Click to collapse
I'm pretty sure you won't be able to use an AT&T S4 on Verizon because the AT&T S4 doesn't have the CDMA capabilities.
emckai said:
I'm pretty sure you won't be able to use an AT&T S4 on Verizon because the AT&T S4 doesn't have the CDMA capabilities.
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Click to collapse
Yea I noticed that the ATT S4 doesn't have everything that the Verizon S4 has in the service menu. Like I can turn on all the different bands in the service menu, but on my ATT S4 I get restrictions on wcdma.
I'm new to all this. I traded a iPhone for the ATT version because I couldn't figure out how to make the Verizon version work on straight talk..
Not two days after I have the ATT I somehow got it working... Lol. So now I have two with unlocked bootloaders and sum unlocked...
sundigen said:
Yea I noticed that the ATT S4 doesn't have everything that the Verizon S4 has in the service menu. Like I can turn on all the different bands in the service menu, but on my ATT S4 I get restrictions on wcdma.
I'm new to all this. I traded a iPhone for the ATT version because I couldn't figure out how to make the Verizon version work on straight talk..
Not two days after I have the ATT I somehow got it working... Lol. So now I have two with unlocked bootloaders and sum unlocked...
Click to expand...
Click to collapse
Methods used to obtain this?
I am I believe sim unlocked because I no longer see the prompt for password apon boot but the verizon doesn't connect.
Thank you in advance!
Just got a Galaxy S5 from a vendor for free but with Sprint. I'm on t-Mobile, is there any way to make it work with t-Mobile by chance? Sorry haven't rooted or ROM'd a phone since my good ole days on the HTC EVO. I tried to search the forums, apologize if this has been asked and answered.
pdub110 said:
Just got a Galaxy S5 from a vendor for free but with Sprint. I'm on t-Mobile, is there any way to make it work with t-Mobile by chance? Sorry haven't rooted or ROM'd a phone since my good ole days on the HTC EVO. I tried to search the forums, apologize if this has been asked and answered.
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Click to collapse
I have the same question...I'm not on Tmobile yet but I have a Sim card and was going to try and activate but I think I'll Root and Custom Recovery first...My device is one I got a good price because it has a bad ESN for Sprint so yeah...I hope it can go on Tmobile :silly:
* I'm not 100% sure but I think the Sprint S5's are GSM Unlocked.....Can some one confirm?
pdub110 said:
Just got a Galaxy S5 from a vendor for free but with Sprint. I'm on t-Mobile, is there any way to make it work with t-Mobile by chance? Sorry haven't rooted or ROM'd a phone since my good ole days on the HTC EVO. I tried to search the forums, apologize if this has been asked and answered.
Click to expand...
Click to collapse
If it supports the LTE bands that TMO uses, then go for it.
Check out gsmarena or some other sites to compare which LTE bands it supports and for which bands TMO is using.
But its quite likely it does NOT support all LTE bands, if any.
i dont think it can
unlocking it only lets you use it internationally
eyecon82 said:
i dont think it can
unlocking it only lets you use it internationally
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I tried putting my SIM card in, says Not Valid SIM. I'm guessing i could probably get around that somehow but i don't know if all the LTE bands are supported. I'm busy with work but if i somehow figure it out i will post something. But i guess i should start with the radio's as suggested.
I'm quite in a predicament here, as I bought a galaxy s4, the SCH-R970 to be exact, and it turns out it's simcard locked to CDMA and i have t-mobile, which is a GSM network provider.
apparently the hardware is the same between the r970, and the i9500, but the simcard slot is actually locked by cricket.
My question is, if i flash an i9500 rom to my phone, will i be able to use a GSM network? what if i flash the i9500 modem to my r970?
If this type of stuff can work on other android phones where the CDMA and GSM phones share the same hardware, why can't it work on the s4s? www(dot) internauta37.altervista(dot) org/how-and-patch-fully-enable-gsm-verizon-cdma-phones-android
Even the HTC one has this type of support, but not as many people are developing things and focusing on the r970. I'm sure its possible, because ive heard people getting calls to work, but not messaging. if we can go that far, im sure we can do more.
I'm really desperate to find a fix for this, because i'm pretty deep into this phone. My last option is to sell it, but who'd want to buy a cricket locked phone
sm-e500h Galaxy 5 from Thialand
Ok so we got an exchange student last week from Thailand and she has a Galaxy 5 sm-e500h I am digging for information on this model to see if it can support CDMA since it has a dual sim card reader. But I think its only GSM or WCDMA. Ugh because gsm coverage sucks around the lake. Can somebody please confirm this. I have seen xcdma mentioned also. Is there any way this phone could work on US CDMA towers? More specicly StarightTalks CDMA network? I am thinking I am a lost cause and might as well just welcome her to gsm or have to get her another phone but I just want to make sure before I pull the plug on this idea.