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Using the Sprint TP2 on AT&T network

I have a sim & security unlocked Sprint phone touch pro 2 that we use on the AT&T network, USA. It works well, and registers with AT&T, but then after a bit it gets dropped, and pops up asking if you want to register with the network again. My friend has the same thing, and we are using different ROMs, and have tried different radios, but we both have this same issue. Does anyone have any idea how to resolve this issue, maybe a registry edit or something?
thanks.

I'm also curious about this. I'm on Verizon and was given the phone to keep from my last employer and my new one uses AT&T. I haven't done enough digging yet but wanted to *bump* this thread as I'm looking to keep my CDMA VZN phone and use it on AT&T permanently and wanted to know if there are others who have done this already.
*Anyone had success with using their CDMA phone with AT&T/Tmobile without GSM disconnecting as the OP mentions?

wooties said:
I'm also curious about this. I'm on Verizon and was given the phone to keep from my last employer and my new one uses AT&T. I haven't done enough digging yet but wanted to *bump* this thread as I'm looking to keep my CDMA VZN phone and use it on AT&T permanently and wanted to know if there are others who have done this already.
*Anyone had success with using their CDMA phone with AT&T/Tmobile without GSM disconnecting as the OP mentions?
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Click to collapse
wooties, I read somewhere where the verizon touch pro2 works for AT&T GSM in the us, but not sure where. Search xda and ppcgeeks. I have the Sprint touch pro 2.

I just answered this one in another thread, so here is a copy and paste...
With your AT&T SIM in you probably need to set to manual network instead of automatic so it stays connected to AT&T and doesn't try to flip back to CDMA - if you've already one this, then someone else will have to jump in, but the settings are:
All Settings > Personal > Phone > Network (tab) > Mode of Operation = GSM/UMTS Only
This should keep it from jumping back to Sprint and then back to AT&T where it asks you to register again...
Remember though, with a CDMA world phone, you will only get 2G coverage here with your data as the 3G radio is a different frequency.
Hopefully that does the trick - and if not, someone else jump in and save them quick!

[Q] I'm pretty sure it's not possible but...

I figured I'd ask here. I'm almost certain that it isn't possible at all to do but you never know what the great devs here at XDA has come up with.
I have a HTC HD7s from ATT. It's a GREAT phone in my opinion. Never had a single problem with it; but I did with AT&T. They were just; lacking in terms of anything in my local area.
Now for my question; It's probably not possible but like I said you never know until you ask. I am currently running on Sprint service with my Epic 4G Touch. Love the service as it does what I need it to do (a lot better then AT&T ever did). Now AT&T is GSM if I'm correct and I know sprint is CDMA.
But what could I change my HD7s over to via flashing/custom roms or whatnot. I doubt sprint would even think of being an option; but if there's a way to get it on even a pre-pay service; I'd love to have it sitting around as a backup phone if I ever needed it. So is it possible to flash over my HD7s to any other carriers? I have read that my current phone can actually be flashed to multiple other carriers, but with sprints (decent) service, there's no need.
Thanks ahead of time!

Your HD7S cannot work on a CDMA network (Sprint, Verizon) because it lacks the necessary radio hardware. No amount of flashing can fix that.
If it's unlocked, you can use it on any GSM network, however; no flashing would be required for that. The most obvious example of a non-AT&T GSM network in the USA is T-Mobile. Your phone will work on T-Mobile but won't get 3G due to lack of AWS UMTS support -- in other words, it doesn't have support for T-Mobile's 3G frequency.
If you can find a virtual network operator that uses AT&T's network, then you should be able to use your phone on that network and get 3G. I'm not up on which operators that might include.

The specific thing you need for your phone is a "SIM-unlock" which means removing the restriction that AT&T puts on their phones to prevent using SIM cards from other carriers. Typically, AT&T will remove this lock for you if you ask them, but otherwise there are sites online that can sell you unlock codes or you could try calling HTC.

3. Post only using a clear subject and message.
You're most likely to receive a helpful answer to your question if you use a short subject title that describes your problem and a message that explains in detail what your problem is and what you've tried to solve it.
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Please use search function, most of the questions are already answered. If you still need to post your doubts please do it in an existing thread. Is really no need to open a new thread with same topic. Dispersed information helps to nobody.

[Q] How do I add APNs on Verizon Galaxy S3 running 4.1.1?

I have a Verizon Galaxy S3 (SCH-I535) running Android 4.1.1. I was told by Verizon prior to moving to England that, with this version of Android which unlocked the "world phone" capabilities (GSM), that I would be able to use my phone abroad with a new sim on a local network.
Fast forward a few weeks, and I am in England with an Orange sim in my phone. I have no problems with voice, but I cannot access any data services (I have no trouble receiving texts, but cannot send them - I think this is a problem with the sim though). After searching around the internet for a while, it seems that the solution to my problem would be to add the Orange APN settings to my phone.
HOWEVER, Verizon's version of 4.1.1 does not allow you to edit APN settings! When you go to the APN menu, there is nothing displayed and the only settings option is to Reset to Default.
The closest thing I've found to a solution is here, but it's a bit out of date as the method isn't for 4.1.1. I'm a bit wary of rooting my phone and installing a rom, as I've never done anything like that before.
Does anyone have any experience with this sort of thing that might be able to offer a solution? I would be willing to root my phone if necessary, but I'd need to be directed to a pretty explicit noob guide for doing that :silly:
Thanks!

Getting root is easy with the toolkit linked. Should you have any questions you can read the thread or search galaxy s3 toolkit on YouTube. Just keep in mind some videos are outdated and that you have a Verizon cdma galaxy S3 running 4.1.1.
forum.xda-developers.com/showthread.php?t=2092244
Sent from my SCH-I535 using xda premium

Search this same thread and the APN fixes are here. There is also an APN fix in Note 2 forum that should work. Once you change APN should be good to go with Orange. Say hi to my Uncle in Birmingham. He on Orange also. Cheers. :laugh:

What ended up being your solution?
I'm going to Italy tomorrow with a Verizon S3 and APN settings are locked. The phone is rooted and I would love to be able to use a local SIM on data!
Thanks in advance.

sundayradio said:
What ended up being your solution?
I'm going to Italy tomorrow with a Verizon S3 and APN settings are locked. The phone is rooted and I would love to be able to use a local SIM on data!
Thanks in advance.
Click to expand...
Click to collapse
No solution yet. I'm going to look at the link above when I can get some time to sit down and focus on it. Hopefully it fixes it.
BTW, although it's billed as a CDMA phone, it is able to operate on GSM as well. That's the whole "world phone" thing that Verizon has been talking about.

expatabroad said:
BTW, although it's billed as a CDMA phone, it is able to operate on GSM as well. That's the whole "world phone" thing that Verizon has been talking about.
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Click to collapse
I understand it's a world phone, but I wanted to drop that in because I wasn't sure if the Toolkit states "CDMA" under the device selection screen. I know the Galaxy Nexus or Razr Toolkit specifically stated CDMA. I just didn't want you to accidentally pick the wrong one. After looking at screen shots of the Toolkit you shouldn't have a problem it doesn't mention CDMA only Verizon is stated.

Unable to add APN.
prdog1 said:
Search this same thread and the APN fixes are here. There is also an APN fix in Note 2 forum that should work. Once you change APN should be good to go with Orange. Say hi to my Uncle in Birmingham. He on Orange also. Cheers. :laugh:
Click to expand...
Click to collapse
Hey there,
Sorry for going there, but I have not been able to find a fix for adding in the APN on a Verizon Samsung Galaxy S III. I have it on Cincinnati Bell at the moment, and have it rooted. I have voice and text, but not data. I have used the APN Manager Pro to see the APN that I need to use, but for some reason it will not use it or be able to edit it? Any thoughts?

deca2499 said:
Hey there,
Sorry for going there, but I have not been able to find a fix for adding in the APN on a Verizon Samsung Galaxy S III. I have it on Cincinnati Bell at the moment, and have it rooted. I have voice and text, but not data. I have used the APN Manager Pro to see the APN that I need to use, but for some reason it will not use it or be able to edit it? Any thoughts?
Click to expand...
Click to collapse
Yes.
Get titanium backup pro and make apn mgr pro a system app.
You should be good after that.
This is confirmed working on Vodafone Italy and ill post results from China and hk in about a month

And please spread the word on this.
Spiting Verizon is my new favorite hobby.

I have a very similar problem. I have a Samsung S3, not rooted, but unlocked from Verizon. I have been in Kandahar for a month or so. My SGS3 with a local provider will make and receive calls great when coverage is there. My problem is, I can only seem to text local here not back to the US, or get email and no Google Talk. I went to the shop where I got my card here, they told me that Verizon needed to unlock my phone. I know it is unlocked but I made the call home, Verizon told me what I already knew. I went back into the store, once again, next they said Verizon needed to unlock my APN? I called again, finally I got a response from Verizon saying that Samsung needs to release the patch so Verizon can unlock it. If anyone knows of such a APN patch I would greatly appreciate it. My lap top screen got cracked during a patrol so doing all of this and email is quite the B!tch! I have always had success with this forum and hope it will continue. Once I send my lap top back home to be warrantied, I will not have any way of getting the usual business done for at least a month. I'm trying to hold off on the lap top until I can get my phone fully functional. I do not have internet connection on my phone, just my computer, I guess that is the APN, that is still locked. I could do all of this if I had WiFi, but it is not allowed here by the company that provides internet. They do have WiFi in some areas, but it is always bogged down with everyone else trying to use it. Also, I am not too sure if I want to attempt to do a root, the internet service here is very slow. Thanks for your help. Please remember, I am atleast 8 1/2 hours ahead of you, so response time will be delayed.
A very helpful member of GalaxyS3forums sent me here.

SCH-R530 from US Cellular - why no worky?

Hey ladies and gets,
I am new here and I do not have much experience. I have been on an android binge for a week now and I have read a lot of threads, and flashed my phone so many times already.
Here is the info:
Samsung Galaxy SIII (LTE I guess)
SCH-R530, and in some places it shows SCH-R530U
Currently running on the latest nightly cyo..10.2
IMEI starts with 99000... and I have checked its not stolen or anything - there is also a sticker behind the bat that confirms it.
Originally a US Cellular Phone, I want to get it working with T-Mobile.
Things I have tried:
-I got the Samsung Tool Kit (donated), received all the updates - and the phone still does not unlock the network operators.
-Used a method from youtube - CDMA Workshop - connect to the serial port - security - samsung defaults - screen on pc says unlocked but phone is not although it is answering to the program.
- No option for the network lock as known in the 530
-Used three different online services - but they said no can do.
- Called tmobile - and placed a request and they said - that IME does not correspond to the model of the phone(???)
I am a student, I can't afford to get anything else - so please help or point me in the right direction. Thank you

I don't think you can do it.

I don't believe it will work because Us cellular is cdma and T-Mobile is gsm.
Sent from my Nexus 4 using xda premium

GottaProblemBro said:
I don't believe it will work because Us cellular is cdma and T-Mobile is gsm.
Sent from my Nexus 4 using xda premium
Click to expand...
Click to collapse
There seem to be different opinions on the net. Phone like mine have the added abillity to receive CDMA radios i guess, but they do not lack any of the hardware for gsm.
I am not sure about any of this however, thats why I came here.

Bsqueeze44 said:
There seem to be different opinions on the net. Phone like mine have the added abillity to receive CDMA radios i guess, but they do not lack any of the hardware for gsm.
I am not sure about any of this however, thats why I came here.
Click to expand...
Click to collapse
in my experience with all the cdma gs3 varian, only the verizon one that have gsm capability.

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Just a little update:
I have not been able to make any progress at all.
I have updated my 4.3 on the regular basis - however when I did the nightly 6, and 7 both locked up on the boot menu.
Anyways, today i reinserted my tmobile sim card and when I try to make a call - I get Verizon Wireless automated services that say that i can be transferred to complete the call with a credit card and stuff.
Why verizon? this is a us cellular phone?
Also when i switch to gsm mode - it still does not locate any tmobile operators?
US Cell phone is a dead end. This thread might as well be deleted.

Bsqueeze44 said:
Just a little update:
I have not been able to make any progress at all.
I have updated my 4.3 on the regular basis - however when I did the nightly 6, and 7 both locked up on the boot menu.
Anyways, today i reinserted my tmobile sim card and when I try to make a call - I get Verizon Wireless automated services that say that i can be transferred to complete the call with a credit card and stuff.
Why verizon? this is a us cellular phone?
Also when i switch to gsm mode - it still does not locate any tmobile operators?
US Cell phone is a dead end. This thread might as well be deleted.
Click to expand...
Click to collapse
Vzw bought out USC... in some areas I believe? Any how now no the USC will not work on T-Mobile. At least not stock....yet. It may be possible to get voice working but that would be about it. If you could vet data the most it would possibly be is edge as far as I know.... If you want to try something I would try flashing a sch-i535 ROM of 4.0.x-4.1.1 Odin would be best but do not flash the radio/modem. I am not Of 100% on this but Odin might skip over the modem if flashing i535 ROM to the r530. If not mobile Odin is able to only flash selected partitions of choice. Make sure you use a pre rooted ROM. After that and it is successful you may be able to follow the guide posted some where in here on how to use the i535 globally. It will require APN pro I believe. And another app to be able to select gsm global (don't recall for sure) if you find the guide it will tell you. . good luck and let me know if that helps.

Bonkurei said:
in my experience with all the cdma gs3 varian, only the verizon one that have gsm capability.
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Click to collapse
I agree with
that verizon is (gsm+cdma)
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Activated on Page Plus but no data

Hi everyone, I have been trying to activate any of my VZW phones on Page Plus, preferably my i535 to start but i've also tried my HTC M8 out of desperation with the same results.
Basically the phones activate fine, voice and text work fine but i have no data. I've tried a ton of variations of APNs and different network preferences but not a bit of luck.
I see a few old threads about Page Plus but it looks like those folks are trying to do flash or qpst the phones, perhaps cloning meid or other crazy things, i really dont understand the point when Page Plus lists both my phones as being compatible on the page plus website. Half the links are dead in those threads anyway, almost all screen shots are 404, it seems hard to find much information.
I'm wondering if someone can shed some light on either what i'm doing wrong or at least explain what all the fuss with flashing/qpst is about and if that's something i need to look further into despite my phones activating successfully and being listed as compatible, just i cant get data working.

Galaxy s3 on Page Plus
jmclaren7 said:
Hi everyone, I have been trying to activate any of my VZW phones on Page Plus, preferably my i535 to start but i've also tried my HTC M8 out of desperation with the same results.
Basically the phones activate fine, voice and text work fine but i have no data. I've tried a ton of variations of APNs and different network preferences but not a bit of luck.
I see a few old threads about Page Plus but it looks like those folks are trying to do flash or qpst the phones, perhaps cloning meid or other crazy things, i really dont understand the point when Page Plus lists both my phones as being compatible on the page plus website. Half the links are dead in those threads anyway, almost all screen shots are 404, it seems hard to find much information.
I'm wondering if someone can shed some light on either what i'm doing wrong or at least explain what all the fuss with flashing/qpst is about and if that's something i need to look further into despite my phones activating successfully and being listed as compatible, just i cant get data working.
Click to expand...
Click to collapse
I am on Page Plus with the straight talk version of GS3, it is the same as the Verizon but limited to 3g. If you are trying to activate a 4g device (like the i535) on a standard plan or $12 monthly plan, it will not be accepted. Those plans only work on 3g devices. If you are trying to activate a $29 and up monthly plan on the same i535 model, you need to purchase a page plus SIM card, without it the data will not work. You don't need to do any APN edit or special flashing, it will work with the SIM no issues. If you want to be on the 3g plan, get an s968c, it'll work like a charm. Just a side note, on CM12 and higher, the s968c model will not get data unless you get an already activated Verizon SIM ($3 on e-bay) and have it installed. This will get the APNs programmed for you. Good luck!