Photon 4G? work with straight talk? - Motorola Photon 4G

Quick question guys. Will the photon 4g work with straight talk's sim card?????? just wondering... thanks...
EDIT: In Short.... Yes
"Yes you need an unlocked bootloader, a GSM supported rom (Jokersax, Peter's or Bill's all work), and you flash the KDDI radio you were linked to previously. Read the instructions there fully. But on to straight talk specific info.
Straight Talk runs two networks at once, They have an ATT network and a Tmobile network, the network options available to you depend on the zip code you enter. You only pick one.
ATT's network runs pretty much universally on a band the photon can communicate on at super high speeds in many areas (Higher than I ever got out of sprint's "4G") HSPA+ is pretty awesome.
T-Mobile is 50/50, they in some areas they are on the right frequencies for high speed data, in others they are on the wrong frequency for the photon and you will get 2G (or 3g, I am unsure) speeds. I think they are trying to convert all their towers to the correct freqency, so check your area if you want to go with T-mo, I am no expert on them but the issue seemed complex enough I said screw it and went with ATT.
Check the coverage options in your area, Overall I recomend ATT as the HSPA+ speeds are great, coverage is everywhere, and you will always be on the right band. I chose ATT
Your phone has a full sized sim not a micro sim.
You will enter the APN information by going in to settings, More, Mobile Networks, Access Point Names, Menu button, New APN, then save on exit and reboot your phone.
GSM is totally functional, works with the standard Joker/Bill's roms as well as Peter's, the phone is faster on ATT's network for me by far compared to sprint.
Some weirdness from time to time, but that is kind of par for the course for how hacked a CM10 photon is."

It should if your device is unlocked for GSM.
Sent from my MB855 using xda premium

JohnH4 said:
It should if your device is unlocked for GSM.
Sent from my MB855 using xda premium
Click to expand...
Click to collapse
next question.. how easy is this to accomplish?

If you are outside the US you should already be unlocked for GSM. I'm guessing that you are in the US though, since you want to use straight talk. If that's the case, you are going to need to unlock your bootloader and then go to this thread:
http://forum.xda-developers.com/showthread.php?t=1664212
Sent from my Magical MoPho using xda premium

I posted all the info for Straight Talk on the Photon in the US back in June HERE. If the Compendium is STILL being ignored I can remove the planned updates from my to do list.

Not directed towards you specifically, I appreciate all work done on here by everyone but people come on forums sometimes just for quick answers and don't bother to comb through compendiums or threads or maybe don't even know what they are, or that they exist. People appreciate all those of you do to help out and compile compendiums to make things easier to find but sometimes people just want an answer fast and mean no disrespect.
Sent from my MB855 using xda app-developers app

arinlor said:
Not directed towards you specifically, I appreciate all work done on here by everyone but people come on forums sometimes just for quick answers and don't bother to comb through compendiums or threads or maybe don't even know what they are, or that they exist. People appreciate all those of you do to help out and compile compendiums to make things easier to find but sometimes people just want an answer fast and mean no disrespect.
Sent from my MB855 using xda app-developers app
Click to expand...
Click to collapse
In all honesty, in far less keystrokes and time the OP would have had the answer. Last result, first page. Failure to use search and simply posting a new thread is the reason why I have not updated in months.

Loki, if you have the possibility, I suggest to copy the compendium in General and Q&A sections stickies too.

Lokifish Marz said:
I posted all the info for Straight Talk on the Photon in the US back in June HERE. If the Compendium is STILL being ignored I can remove the planned updates from my to do list.
Click to expand...
Click to collapse
maybe if you hadnt used some obscure word like Compendium i would have found it....

Lokifish Marz said:
In all honesty, in far less keystrokes and time the OP would have had the answer. Last result, first page. Failure to use search and simply posting a new thread is the reason why I have not updated in months.
Click to expand...
Click to collapse
your assuming i didnt search...your assumption is wrong... thats why i posted a thread to begin with....

arinlor said:
Not directed towards you specifically, I appreciate all work done on here by everyone but people come on forums sometimes just for quick answers and don't bother to comb through compendiums or threads or maybe don't even know what they are, or that they exist. People appreciate all those of you do to help out and compile compendiums to make things easier to find but sometimes people just want an answer fast and mean no disrespect.
Sent from my MB855 using xda app-developers app
Click to expand...
Click to collapse
people need to do a better job of labeling threads....for people who dont anything about developing... obscure words like Compendium, wont mean anything to them... also updating the search feature maybe...

??
Compendium is a fine title. What do you want him to call it?

Puzzlegal said:
??
Compendium is a fine title. What do you want him to call it?
Click to expand...
Click to collapse
When I first came here the "!!!Look Here First!!!" title caught my eye. Why would you not look there?
Baffling to me.
Loki - I for one, appreciate what you've done. I use that thread all the time. Understand it's a lot of work to maintain, but I appreciate it. (For what that's worth!)

Puzzlegal said:
??
Compendium is a fine title. What do you want him to call it?
Click to expand...
Click to collapse
maybe... !!!Look Here First!!!
OR Photon for Dummies
but compendium is not a commonly used word...

peetr_ said:
Loki, if you have the possibility, I suggest to copy the compendium in General and Q&A sections stickies too.
Click to expand...
Click to collapse
I tried that some time back and it was shot down. The main reason was considering that if you want a ROM, Kernel or any hack/mod really, the first place you look is in Development was the reason given. I'll contact the mods again and see if a placeholder sticky that links to the main thread would be ok. This will give me only two threads to update, the one here and the one on Phandroid.
Maschil said:
maybe... !!!Look Here First!!!
OR Photon for Dummies
but compendium is not a commonly used word...
Click to expand...
Click to collapse
Um.. "Look Here First" and "All things MoPho" are in the title and have been since last year. In Photon forums on multiple sites the term "MoPho" has been used since day one in threads and sigs and has also been used in tech blogs and news site as well so that is far from obscure. Another hint that it may be important is that it's a sticky.

Sometimes it looks like moderators are using IPhones.

I have approached xda a couple of times about being a mod for the Photon forums seeing that, as many of you know, I'm here almost everyday. Considering it took forever to even get contrib status I don't ever see it happening.

Maschil said:
Quick question guys. Will the photon 4g work with straight talk's sim card?????? just wondering... thanks...
Click to expand...
Click to collapse
Okay... Since you didn't get very helpful answers.
Yes you need an unlocked bootloader, a GSM supported rom (Jokersax, Peter's or Bill's all work), and you flash the KDDI radio you were linked to previously. Read the instructions there fully. But on to straight talk specific info.
Straight Talk runs two networks at once, They have an ATT network and a Tmobile network, the network options available to you depend on the zip code you enter. You only pick one.
ATT's network runs pretty much universally on a band the photon can communicate on at super high speeds in many areas (Higher than I ever got out of sprint's "4G") HSPA+ is pretty awesome.
T-Mobile is 50/50, they in some areas they are on the right frequencies for high speed data, in others they are on the wrong frequency for the photon and you will get 2G (or 3g, I am unsure) speeds. I think they are trying to convert all their towers to the correct freqency, so check your area if you want to go with T-mo, I am no expert on them but the issue seemed complex enough I said screw it and went with ATT.
Check the coverage options in your area, Overall I recomend ATT as the HSPA+ speeds are great, coverage is everywhere, and you will always be on the right band. I chose ATT
Your phone has a full sized sim not a micro sim.
You will enter the APN information by going in to settings, More, Mobile Networks, Access Point Names, Menu button, New APN, then save on exit and reboot your phone.
GSM is totally functional, works with the standard Joker/Bill's roms as well as Peter's, the phone is faster on ATT's network for me by far compared to sprint.
Some weirdness from time to time, but that is kind of par for the course for how hacked a CM10 photon is.
Hope this helps.

aywwts4 said:
Okay... Since you didn't get very helpful answers.
Click to expand...
Click to collapse
Well except for the link that was posted to all the following info.
Skip Sprint Activation
Sprint APN for Motorola Photon
Straight Talk GSM on the Photon (5/04/12)
Suggested ROM: peetr_'s [ROM] 2.3.5 Hybrid (only one that seems to have no issues. GSM, MMS or otherwise)
GSM Radio: halfevildruid's (HOW-TO) 5/28/2012 Unlock GSM for domestic carriers on Photon
APN Settings:
Name : Straight Talk
Apn: att.mvno
Proxy: 66.209.11.33
Port: 80
Server: wap.cingular.com
MMSC: http://mmsc.cingular.com
Mms proxy: 66.209.11.33
Mms port: 80
Mcc: 310
Mnc: 410
Apn type: default,mms,supl,agps

Dude, I'm glad you help out, Your guide is useful, but why are you so hostile about your help and the appreciation it must receive?
In this case someone asks a decent question, a one that absolutely isn't clearly and straightforwardly answered anywhere, I myself googled it myself when I made the switch. One guy in the GSM thread has a friend who switched to a Gnexus and it works, and people cited that as proof of photon working. You have an APN list, but if I put in the wrong zip code with straight talk that won't help me as not only won't it work, I may be stuck at 2g speeds. Then a link to a sprint APN which I have no idea how it would help, and a link to the GSM radio which someone already provided.
An APN is not an answer especially on a service that runs two networks, it's an APN. An answer "Yes it works, but best on att, I have a link to a custom APN in my guide" would have been a great answer, but how is an APN with no sentences around it or context an answer? How is scolding him as a child helpful?
He isn't polluting android development with a silly question, about 3/4th of the general page is complaining about ICS or people leaving and whatnot, so he isn't really messing up a delicate signal to noise ratio.
You get mad that they didn't find your compendium which is in a different forum for developers, that was the last result, only shows up if you do a global search not a search in General or QA forums, with a topic labeled "Misc", that presumes ATT without stating it or stating why, and simply provides apn settings without instructions on where to put them or even what an APN is, or that this won't work if you picked a Tmo sim/live in a Tmo zip code. So OP should never have asked a simple question? And doesn't deserve simple answers and respect with sentences and english instead of a list of APNs with no context clues and scorn.
I answer with information about the two carriers they cover, the frequencies of both, the speeds to be expected, the fact that the photon can achieve HSPA+ 4G speeds, the quality of service, the sim card to order, where to enter APN information, a personal testimonial, warning that Tmo does not offer photon compatible 3g/4g coverage in all areas. And you answer by spawning a 2 page complaint about how underappreciated you are and how lazy OP is for not finding your very vague poorly titled non-answer that is only an APN. And blaming someone for failing with what is a terrible search (if you search the forum search instead of all forums you won't find your guide, I don't blame people for using forum search when looking for someone photon specific) or for not knowing that XDA's "Android Development" is actually the much better titled "All things root" and contains pertinent non-developer information.
Seriously... Help doesn't have to be bloodsport. Making a guide doesn't mean people can no longer ask questions ever again. Especially when your guide *did not answer the question at hand*.
---------- Post added at 10:04 PM ---------- Previous post was at 09:40 PM ----------
Here is a crowdsourced list of places where T-Mobile has made the transition for 3G/HSPA+ to the 1900mhz band that the Photon can see if tmo is your only option or if you have a strong preference
http://www.airportal.de/

Related

[Q] I have looked and looked

I can't find any information on flashing samsung vibrant to cricket. I don't care about a full flash, voice and text is fine for my purposes. I don't care about data or android market or any of that.
I have seriously been NON STOP looking for last 2 days with no luck. I checked the cricket forums and I searched the forums here without any luck. I am an amateur I am not going to lie.
But I have a very good general background in technology and, I have already rooted the phone. I was trying to follow a guide I found but honestly I am not 100% sure that even does what I want it to. QPST samsung vibrant but when I do it I cannot simultaneously connect both the phone and run the software. If software is running first my computer won't recognize the phone as a modem and if the phone is connected first the software freezes and I can't even close it with task manager, I have to reboot comp.
Any help at all would be appreciated. I don't even know if this is the right forum for this question and I am sorry if I put it in the wrong place but this is vexing me.
Does cricket even use sim cards? If they are not a GSM carrier, it would make it impossible to use the vibrant on their network/service
Sent from my GT-I9000 using XDA App
Cricket is cdma (sprint, Verizon, us cellular type radio, meaning no sim card) and the vibrant is gsm (meaning it uses a sim card).
The vibrant cannot and will not work with cricket.
Sent from my SGH-T959 using XDA App
Well question solved. Definately not the answer I wanted but that can't be helped.
Are there any nationwide carriers that use GSM available similar in price to cricket? I will be looking into this right after posting this question but I figure I might as well see if anyone knows any decent ones they can recommend. Basically, looking for cheapest possible with nationwide coverage.
I just need talk and text. Preferably no activation fee and no cost for sim but I know I am being overly optimistic with that lol. I also know that this forum isn't the place for that so any help is appreciated but I understand if no one has an idea.
PhiTwi said:
Are there any nationwide carriers that use GSM available similar in price to cricket? I will be looking into this right after posting this question but I figure I might as well see if anyone knows any decent ones they can recommend. Basically, looking for cheapest possible with nationwide coverage.
I just need talk and text. Preferably no activation fee and no cost for sim but I know I am being overly optimistic with that lol. I also know that this forum isn't the place for that so any help is appreciated but I understand if no one has an idea.
Click to expand...
Click to collapse
there is the one that wal-mart sells that you could look into

[Q] How to get and Evo 3d on Verizon

So I've read a bunch on this from all sorts of sites. I believe this to be possible, but need some help with the technical aspect of this.
I can get it activated that is not an issue.
A few questions:
1) How to get the phone talking to the network?
I've updated to the verizon prl, and when I *228 I get the verizon programming prompts, but It won't update programming due to not being activated.
2)Do you think the Thunderbolt radio will work with the Evo 3d?
2a) If not, would it be possible to merge the T-bolt radio code with the Evo radio code to create a hybrid?
3)Settings, would any know the ##3282# settings for the verizon network.
I understand this is difficult, I've also read the post, "Why not just go to sprint?", I'm not interested in those responses. This is a challenge, and I'd like to complete it.
Dev's what do you know?
Someone feel free to correct me, but I believe the two networks, although both cdma, work differently from one another. So I do not think its possible to flash a phone from one to the other...
Sent from another Dimension!
Let's break it down.
ROM: Perhaps, if I have to fork a github to create it.
Guide: May be when I get it to work.
Q: Absolutely, but I need people that know what they are talking about to help with a solution. General Q&A will just get filled with similar stupid answers like yours Liquid. If you don't know how or are unwilling to help don't post.
The two chipsets are very similar 8660 vs 8655. Both are capable of the same 3g connections. I'm not concerned with WiMax.
I will NOT be changing MEIDs or anything of the sort. Nothing illegal.
It may be possible, but I do know that Verizon WILL NOT activate a Sprint ESN or vice versa. I don't care if you have a buddy that works at Verizon they can't do it nor will Sprint activate a Verizon ESN. The ONLY way to do this is to illegally change the ESN which is not permitted to be discussed here at XDA. So, not only are you in the wrong section, you are in the wrong forum all together. Take this kind of question to some shady part of the interwebz where it belongs.
Questions or Problems Should Not Be Posted in the Development Forum
Please Post in the Correct Forums
Moving to Q&A
that's what I figured no input in this forum. Good job guys, and great job lufc.

[Q] Need help with straight talk.

I have an HTC Verizon droid incredible 4g LTE. I ordered a t-mobile sim card from Straight Talk. Cut it to size. Everything seems to work fine except for the MMS. I have incredibly slow bandwidth problems. Above the signal bar is a capital "E." I have thoroughly searched the forums for an answer. To no avail. Before going on to more frustrations I would like to ask this incredible community for help. Some times I will get a "G." I am totally at a loss. Modding it would be fine but I do not want to brick it. I have read on other sites that after modding it, I could play around with the band its on. Not sure. Any questions or for more info please let me know. I will close by saying that all the lone wolfs, dev teams, and all around geeks make this site the best. I want to say thank you to you all.:fingers-crossed:
StunCrossover said:
I have an HTC Verizon droid incredible 4g LTE. I ordered a t-mobile sim card from Straight Talk. Cut it to size. Everything seems to work fine except for the MMS. I have incredibly slow bandwidth problems. Above the signal bar is a capital "E." I have thoroughly searched the forums for an answer. To no avail. Before going on to more frustrations I would like to ask this incredible community for help. Some times I will get a "G." I am totally at a loss. Modding it would be fine but I do not want to brick it. I have read on other sites that after modding it, I could play around with the band its on. Not sure. Any questions or for more info please let me know. I will close by saying that all the lone wolfs, dev teams, and all around geeks make this site the best. I want to say thank you to you all.:fingers-crossed:
Click to expand...
Click to collapse
well first welcome to the community, and about your pproblem, are you running stock? unrooted, and also if you want better band support try cm10 since that rom has tri band hsdpa, and about mms, google your service provider mms configuration
Okay so going the t-mobile route wasnt the smartest as far as wanting 3g. Also thank you so much for the quick reply. My phone is stock. My main goal with all this is to get picture messaging working and above all improve my network speeds. I drop calls like its 2000.

[Q] Flash Rezound to Boost Mobile

I've never flashed a phone to a different CDMA provider so I thought I'd ask here first and see if anyone had knowledge of how to do this? Or point me in the right direction to somewhere to learn how to? I've unlocked the GSM radio for use on att already and I'm sure it's a similar procedure, but I followed a guide to do this and have little experience with it. Thanks in advance to anyone that has information on this.
Sent from my SPH-L710 using Tapatalk 2
*BUMP*
Sent from my SPH-L710 using Tapatalk 2
Corutesy bump for wanting to switch the rezound I'm getting soon to Virgin Mobile.
sent from GSN2 using Tapatalk 4
---------- Post added at 04:05 AM ---------- Previous post was at 03:44 AM ----------
Also, how did you go about unlocking your phone? If you unlocked the gsm attenna. I assume that the phone is fully unlocked and you should just be able to switch it over. As long as it isn't on another account I.e. Verizon.
sent from GSN2 using Tapatalk 4
anubis2k3 said:
I've never flashed a phone to a different CDMA provider so I thought I'd ask here first and see if anyone had knowledge of how to do this? Or point me in the right direction to somewhere to learn how to? I've unlocked the GSM radio for use on att already and I'm sure it's a similar procedure, but I followed a guide to do this and have little experience with it. Thanks in advance to anyone that has information on this.
Sent from my SPH-L710 using Tapatalk 2
Click to expand...
Click to collapse
The CDMA providers blacklist phones from being used on other CDMA providers networks. "Flashing" in this sense is stealing and ESN/IMEI from an existing phone and cloning it to your phone. Not only is it extremely risky for your hardware, it is extremely against the law and cannot be discussed on these forums.
Certain phones like the Rezound and the Dinc4G have additional feature of GSM radios added for compatibility with oversea networks, you aren't really flashing anything so much as the phone reconfigures itself for GSM or CDMA depending on what kind of SIM card it finds.
Insertnamehere12 said:
The CDMA providers blacklist phones from being used on other CDMA providers networks. "Flashing" in this sense is stealing and ESN/IMEI from an existing phone and cloning it to your phone. Not only is it extremely risky for your hardware, it is extremely against the law and cannot be discussed on these forums.
Certain phones like the Rezound and the Dinc4G have additional feature of GSM radios added for compatibility with oversea networks, you aren't really flashing anything so much as the phone reconfigures itself for GSM or CDMA depending on what kind of SIM card it finds.
Click to expand...
Click to collapse
Umm. Not true at all actually. I had a P+ dealer switch over my phone with a bad esn (mother in law didnt pah her bill) and they didn't use a "friend" phone. It doesn't require stealing a phones imei or anything it requires a lot of work to port it to a different carrier, but doesn't require anything illegal. Not to mention what you're talking about is also based on the staye you are in. In the states it js legal as long as you aren't copying two have two phones on one service and is completely legal ( state dependant) if you own both phones. Check your facts.
sent from a small tablet aka N2
jameyscott said:
Corutesy bump for wanting to switch the rezound I'm getting soon to Virgin Mobile.
sent from GSN2 using Tapatalk 4
---------- Post added at 04:05 AM ---------- Previous post was at 03:44 AM ----------
Also, how did you go about unlocking your phone? If you unlocked the gsm attenna. I assume that the phone is fully unlocked and you should just be able to switch it over. As long as it isn't on another account I.e. Verizon.
sent from GSN2 using Tapatalk 4
Click to expand...
Click to collapse
as far as using it on gsm networks, yeah its possible you just need to either do some things (I could dig up a link if you want) on stock and have it kinda work, or find a rom that supports it and flash that (recommended, what i'm gonna be doing). and flashing phones to other networks i am pretty sure is illegal, i know from experience, i tried to work that out on xda and they sent me away saying this isnt a topic allowed of these forums, so if you still want to know about carrier flashing i suggest another forum
but anyways just making sure i am following you right, you want to gsm unlock but want to use it on virgin mobile (a CDMA network?)
blu422 said:
as far as using it on gsm networks, yeah its possible you just need to either do some things (I could dig up a link if you want) on stock and have it kinda work, or find a rom that supports it and flash that (recommended, what i'm gonna be doing). and flashing phones to other networks i am pretty sure is illegal, i know from experience, i tried to work that out on xda and they sent me away saying this isnt a topic allowed of these forums, so if you still want to know about carrier flashing i suggest another forum
but anyways just making sure i am following you right, you want to gsm unlock but want to use it on virgin mobile (a CDMA network?)
Click to expand...
Click to collapse
OK. Well it makes sense now why I'm not getting much help on this topic. Anyone know of a forum for this kind of stuff?
Sent from my Galaxy...far...far...away...
It should be possible, I've gotten as far as getting the NV values on both radios, but it seems as the 9k wants to search for signal on 800mhz only, at least according to DFS.
The Thunderbolt is able to get 3g working on Boost/VM/etc. at least from what I've seen. Considering the similarity between it and the Rezound I was hoping it would be easier...
-- Starfox
blu422 said:
as far as using it on gsm networks, yeah its possible you just need to either do some things (I could dig up a link if you want) on stock and have it kinda work, or find a rom that supports it and flash that (recommended, what i'm gonna be doing). and flashing phones to other networks i am pretty sure is illegal, i know from experience, i tried to work that out on xda and they sent me away saying this isnt a topic allowed of these forums, so if you still want to know about carrier flashing i suggest another forum
but anyways just making sure i am following you right, you want to gsm unlock but want to use it on virgin mobile (a CDMA network?)
Click to expand...
Click to collapse
Flashing phones to different networks aren't illegal. It is a state dependant thing. I went and had my note 2 flashed over at a business in the middle of a bestbuy, guitar center, more big businesses. (Aka, big businesses near ~ not a shady place)
Yes, I know that Virgin Mobile is CDMA. I wanted to know how to unlock the GSM antenna purely for education purposes.
sent from a small tablet aka N2
jameyscott said:
Flashing phones to different networks aren't illegal. It is a state dependant thing. I went and had my note 2 flashed over at a business in the middle of a bestbuy, guitar center, more big businesses. (Aka, big businesses near ~ not a shady place)
Yes, I know that Virgin Mobile is CDMA. I wanted to know how to unlock the GSM antenna purely for education purposes.
sent from a small tablet aka N2
Click to expand...
Click to collapse
well if it is by the carrier or carrier certified reps it isn't. and what that other guy said it works with DFS CDMAtool or I've heard of cdma workshop working good take a look here
Starfox said:
It should be possible, I've gotten as far as getting the NV values on both radios, but it seems as the 9k wants to search for signal on 800mhz only, at least according to DFS.
The Thunderbolt is able to get 3g working on Boost/VM/etc. at least from what I've seen. Considering the similarity between it and the Rezound I was hoping it would be easier...
-- Starfox
Click to expand...
Click to collapse
It is easy, but only to people that already know how to do it. The process is similar for most phones and doesn't require a lot, but most that try to do it dont know what they're doing and it takes them forever. What we need is a good electrical engineer.
Sent from my GT-P3113 using Tapatalk 2
Quick update:
The Rezound can work on Sprint-based towers, at least with leaked global (4.03) and stock global (4.05) radios. It took me couple of days of fidding via DFS, but right now I do have 3G working, albeit with the stock ROM complaining that mobile data isn't working. Trying out couple of ROMs to see which ones is usable.
Most important thing is that the 8K radio needs to be set to NV_ONLY but that 9K can be set to RUIM preferred. Also, flashing the firmware (from the recent 4.05 global update) will reset the 8K radio to RUIM, which is a good thing/bad thing. Good thing is that if you ever want to NV reset (since hard resets do not seem to wipe NV), flashing the latest firmware/radio should get you back to RUIM/stock PRL/blanked #. Bad thing is you need to fiddle with some of the settings in DFS again, but at least it's only for the 8K radio so far.
Another thing that probably made it work was to use the same PRL from the phone Sprint thinks you are using. For me this was the 61009 PRL. Profile info only needs to get stuck into the 9K radio and I don't think you really need to bother with the NAM2 stuff. But again, I've done too many fiddling to be able to say for certain.
-- Starfox

[Q] How do I get this to work with AT&T [/Q]

I read a few threads and am confused, so I thought I would just ask. I have a few 4G LTE devices for Verizon and am ready to switch to AT&T. Let's just say that Verizon and I had an argument and it is time to switch. Plus I would be saving over $50 to switch to AT&T with a month to month with a BYOP plan.
I visited the AT&T store today and had them insert a SIM into my S4. I get the error "This SIM card is from an unknown source" in the banner. I get a signal strength and a H for where the data symbol 4GLTE is. Then it drops the signal and refuses to have a data connection. At this time the APN settings were NOT adjusted. This was a straight out of the box S4 rooted on NC5 with Android version 4.4.2. After messing with the S4 for awhile he moved to the S3 and entered the proper APN settings. It pulled data, but only at EDGE speeds or 1X. Also, my last device, a Samsung Galaxy Tab 2, has no way of editing the APN settings. It is NOT rooted and is still on stock firmware.
My questions are these:
1. Can this be done?
2. What do I need to do to the phone(s)/tablet to make it work?
3. Will I be able to get 4G speeds?
I do not want to purchase phones with AT&T today because I just don't have the money. I already have these devices, I just want to swap them over. I am comfortable with flashing using ODIN and even so far as using safe-strap. I have flashed some custom roms, but my phone is a daily grind phone and I really want something that works 90% of the time.
Thanks in advance for any help!
EDIT:
None of the codes work either:
*#0*#
*#06#
ECT...
ghost0001 said:
I read a few threads and am confused, so I thought I would just ask. I have a few 4G LTE devices for Verizon and am ready to switch to AT&T. Let's just say that Verizon and I had an argument and it is time to switch. Plus I would be saving over $50 to switch to AT&T with a month to month with a BYOP plan.
I visited the AT&T store today and had them insert a SIM into my S4. I get the error "This SIM card is from an unknown source" in the banner. I get a signal strength and a H for where the data symbol 4GLTE is. Then it drops the signal and refuses to have a data connection. At this time the APN settings were NOT adjusted. This was a straight out of the box S4 rooted on NC5 with Android version 4.4.2. After messing with the S4 for awhile he moved to the S3 and entered the proper APN settings. It pulled data, but only at EDGE speeds or 1X. Also, my last device, a Samsung Galaxy Tab 2, has no way of editing the APN settings. It is NOT rooted and is still on stock firmware.
My questions are these:
1. Can this be done?
2. What do I need to do to the phone(s)/tablet to make it work?
3. Will I be able to get 4G speeds?
I do not want to purchase phones with AT&T today because I just don't have the money. I already have these devices, I just want to swap them over. I am comfortable with flashing using ODIN and even so far as using safe-strap. I have flashed some custom roms, but my phone is a daily grind phone and I really want something that works 90% of the time.
Thanks in advance for any help!
EDIT:
None of the codes work either:
*#0*#
*#06#
ECT...
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Already answered in another thread.
k1mu said:
Already answered in another thread.
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Cool beans, but I have read about 20 threads, specifically what one are you referencing? Link please?
ghost0001 said:
Cool beans, but I have read about 20 threads, specifically what one are you referencing? Link please?
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It was an answer to this same question asked by you. This thread is redundant.
http://forum.xda-developers.com/galaxy-s4-verizon/help/verizon-to-att-t2801297
k1mu said:
It was an answer to this same question asked by you. This thread is redundant.
http://forum.xda-developers.com/galaxy-s4-verizon/help/verizon-to-att-t2801297
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That thread just asks if the SIM card would work and if they would need to flash a GSM ROM to their S4. That thread does not answer the questions I asked. I just gave my insight after a visit with the AT&T store. Store techs tend to not know as much as the XDA community. That is why I asked here. So no, it is not a redundant thread. I appreciate your answer, but it isn't what I am looking for. Not a straight up yes or no, this or that.
As for the GSM locks I discussed, it was from an experience I had with a Motorola Droid 2 and using it on a local GSM provider in the USA. So yes, that was pre LTE.
ghost0001 said:
That thread just asks if the SIM card would work and if they would need to flash a GSM ROM to their S4. That thread does not answer the questions I asked. I just gave my insight after a visit with the AT&T store. Store techs tend to not know as much as the XDA community. That is why I asked here. So no, it is not a redundant thread. I appreciate your answer, but it isn't what I am looking for. Not a straight up yes or no, this or that.
As for the GSM locks I discussed, it was from an experience I had with a Motorola Droid 2 and using it on a local GSM provider in the USA. So yes, that was pre LTE.
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My point, which you apparently missed, is that there is no reason for starting up yet another thread to ask questions that have already been answered. That''s why I said that this is redundant.
OK, let me answer your questions.
1. Can this be done?
Yes, you can install an AT&T SIM, set up the APN, and it will work. What bands you get and what bandwidth you get depends on what bands AT&T are using in your area. You won't likely be able to get LTE speed; most likely just Edge. You can't fix that, as it's a limitation of the phone's radio hardware. Again, some people have made claims that you can flash the AT&T GS4 modem on a Verizon phone and change that, but that's pretty risky as it will likely brick your phone.
2. What do I need to do to the phone(s)/tablet to make it work?
It works, for some level of "work". If you're stock,some people have reported that the firmware requires CDMA for some functions, like SMS. I haven't verified that. I was able to send SMS with my phone and a UK SIM which uses the AT&T network.
3. Will I be able to get 4G speeds?
Not likely. For example, see here http://phandroid.com/2012/12/10/nexus-4-att-lte/ - the common band, LTE Band 4, has limited AT&T coverage.
I haven't gone over the specs of the two phones lately to match them up, so that may be worth looking at again.
k1mu said:
My point, which you apparently missed, is that there is no reason for starting up yet another thread to ask questions that have already been answered. That''s why I said that this is redundant.
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Thank you for your answer. I decided to trade the phones into AT&T and get a credit towards a Samsung S4 and a Asus Padphone X. After I read a few more posts over the internet and a few more hours figuring out how LTE works I came across the answer. I did miss what you meant and I apologize. Again, thank you for your answer.

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