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THE AT&T DATA THREAD: The Answer to getting LTE working on your N5

IF YOU HAVE ACCESS TO LTE ON AN AT&T PHONE, YOU DONT HAVE TO DO ANYTHING!!!!!!!!
IF YOU ALREADY HAVE A SIM CARD THAT WILL FIT IN THE N5, YOUR SIM IS LTE CAPABLE AND ALL YOU HAVE TO DO IS GET THE RIGHT DATA PROVISION. YOU DO NOT NEED TO GET A NEW SIM!!!!!!!
This happened when the N4 came out and I came to the rescue far too many times to count...and I've already started to read threads about it so here we go!
You just bought an N5 and are either worried about getting LTE or can't get LTE connectivity on your N5. It's a really big issue with a really simple solution. You need to make sure of a few things.
1. You have a SIM that can receive LTE frequency
2. Your data plan is a LTE provisioned plan
3. Your APNs include an LTE ANP
1 & 2 can be solved at the same time and 3 should solve itself in most cases.
Here's the big issue: AT&T doesn't have a data provision for the N5 (or the N4). Your customer service rep will take the IMEI number from your phone when you ask for a new SIM and it will come back with their basic GSM plan by default. This caused awful data speeds on the N4 and will disallow LTE on the N5 so you need to inform them that this will happen before they go through the process. A nice rep will understand. An unknowledgeable rep will claim there is nothing they can do. Ask to speak to the manager. If none of them can help, take your new LTE capable SIM and walk away.
Now after you leave the store call up customer service and tell them you just got a new *insert LTE capable AT&T device here* and you can't find the IMEI number. Tell them you tried to go into the store and they were unhelpful so you're calling. The person will immediately become helpful and generate an IMEI number. They will provision your data using said serial number and you'll be good to go.
BEFORE inserting your SIM, start up your N5. Go through the setup process that you have to go through and then turn it back off. Plug in your SIM and reboot.
Go to Settings > Wireless & Networks > more > Mobile Networks > Access point Names. In there you should see an AT&T LTE APN and it should be already selected. If not, select it. This should be all you need to do. It really is that simple.
NOTES:
- All SIMs that fit in the N4 and N5 are LTE capable
- Here is what your AT&T APN should look like
- If you have any issues, post and I'll do my best to help
As always, Thanks are appreciated.

So even if the rep in store "can't help" I'll still walk out with the SIM card I need? Also, If I don't have my N5/IMEI in hand when I go in can I still setup a plan and get a SIM card? Thanks for the post!
EDIT: Going in with no phone I don't know rather to tell them I have a N5 coming or try to find a friends that will give me their IMEI that I can give them...

You'll get a SIM card no matter what because those are free...it just won't be provisioned properly unless you get a knowledgeable rep.
Having an IMEI in hand makes life easier; having your N5 will make it way easier. The SIM needs to be activated in the store and they will need an IMEI to activate. Just wait till you get your N5 to go through all this. It won't do anything to help you until you get it.
The IMEI will be on the SIM tray!

spitefulcheerio said:
You'll get a SIM card no matter what because those are free...it just won't be provisioned properly unless you get a knowledgeable rep.
Having an IMEI in hand makes life easier; having your N5 will make it way easier. The SIM needs to be activated in the store and they will need an IMEI to activate. Just wait till you get your N5 to go through all this. It won't do anything to help you until you get it.
The IMEI will be on the SIM tray!
Click to expand...
Click to collapse
Ok, I will wait until Wednesday to go in then...one last thing, if it gets to the point I have to call ATT, when I say I can't find the IMEI won't they just tell me to flip the phone over or look in the settings, etc.. instead of generating one?

No.
They will ask you if there is a barcode / serial thing on the back of your device. You say no. Boom, done.
edit: don't forget to hit the thanks button!

So just going in and asking to exchange your sim for a micro sim isn't enough?

I have a note 3 right now with 4g. I was going to use the same Sim card in the note and put in the N5. Should it work out of the box or do I still have to take it in the store? How will I know that I have a an imei card?
Sent from my SAMSUNG-SM-N900A using Tapatalk

GldRush98 said:
So just going in and asking to exchange your sim for a micro sim isn't enough?
Click to expand...
Click to collapse
No. The SIM must be activated and an IMEI is required to activate.
marcusva79 said:
I have a note 3 right now with 4g. I was going to use the same Sim card in the note and put in the N5. Should it work out of the box or do I still have to take it in the store? How will I know that I have a an imei card?
Sent from my SAMSUNG-SM-N900A using Tapatalk
Click to expand...
Click to collapse
I'll make this even easier!
Do you have a SIM that will fit in the N5? If not, follow my steps. If so, skip ahead to calling AT&T customer support because ALL MICRO SIMS ARE LTE CAPABLE.
What do you mean by an IMEI card? All phones come with an IMEI.

great. AT&T why are you so terrible.

Im sim is in the note 3 rught now. Sending it back to att. Getting the n5 tomorrow. New to the Sim card thing. Coming from sprint. Just had to ask.
Sent from my SAMSUNG-SM-N900A using Tapatalk

Hey guys I'm going to switching to straight talk att am I ordered the lte micro sim from them and plan to activate tomorrow should I expect to jump through hoops to get lte or expect the same issues as att users...not sure this is my first try at prepaid

same things will happen. You'll need to get an LTE data provision but will be unable to using your N5 IMEI

marcusva79 said:
I have a note 3 right now with 4g. I was going to use the same Sim card in the note and put in the N5. Should it work out of the box or do I still have to take it in the store? How will I know that I have a an imei card?
Sent from my SAMSUNG-SM-N900A using Tapatalk
Click to expand...
Click to collapse
If you have 4g on your note 3 it means you already have a LTE data plan. All you need to do is take the sim out of your note 3 and pop it into your n5, no need to call anyone or make an unnecessary trip to the store.

4g =/= LTE in AT&Ts case. 4g can mean HSPA+ 4g!
If you have access to LTE currently YOU DO NOT NEED TO DO ANYTHING.

spitefulcheerio said:
Now after you leave the store call up customer service and tell them you just got a new *insert LTE capable AT&T device here* and you can't find the IMEI number.
Click to expand...
Click to collapse
If you have a device and you can't find the IMEI, just go to the settings and about device to view it.. Wouldn't they ask you to do that?
Look, I know you want to dumb down stuff and give advise but some of it is just incorrect, not dumbed down.

Dial *#06# on any Android smartphone and it'll display the IMEI.

spitefulcheerio said:
Here's the big issue: AT&T doesn't have a data provision for the N5 (or the N4). Your customer service rep will take the IMEI number from your phone when you ask for a new SIM and it will come back with their basic GSM plan by default. This caused awful data speeds on the N4 and will disallow LTE on the N5 so you need to inform them that this will happen before they go through the process. A nice rep will understand. An unknowledgeable rep will claim there is nothing they can do. Ask to speak to the manager. If none of them can help, take your new LTE capable SIM and walk away.
Click to expand...
Click to collapse
It's possible that the reps @ the AT&T Stores in different areas aren't properly keying the IMEI in properly. If at all possible have them SCAN the IMEI barcode on the back of the phone.
I went down to the AT&T store here locally (Bay Area, CA) and the only problem I had in the process was a 30 minute wait to see one of the reps.
I was previously on an unlimited data plan that I've had setup since I got my original iPhone 3G - 5 years ago. NOT an LTE plan by any stretch.
He went in the back and grabbed the sim and started the process of adding it to the account.
He scanned the sim and then scanned my phone -- It CORRECTLY recognized the device as a D820 **AND** automatically updated my data plan to the LTE Unlimited.
The only thing the rep had to do was press confirm a number of times. Not once did he have to manually adjust anything.
We waited about 5 minutes for the sim to activate, slipped it into my N5 and powered it up - Instant LTE service.
So AT&T *does* have the IMEI Registered for the N5 with a corresponding LTE Plan. If someone is trying to key it in and getting an error.. they're likely not typing something correctly.

I'm already using a note 3 on at&t with LTE already enabled on my plan. Also,my note 3 already uses a micro-SIM. I should be good to just swap my SIM into the n5 right? I have written down the default AT&T APN just in case it gets list on the n5.
Sent from my SM-N900T using xda app-developers app

misfit0r said:
It's possible that the reps @ the AT&T Stores in different areas aren't properly keying the IMEI in properly. If at all possible have them SCAN the IMEI barcode on the back of the phone.
I went down to the AT&T store here locally (Bay Area, CA) and the only problem I had in the process was a 30 minute wait to see one of the reps.
I was previously on an unlimited data plan that I've had setup since I got my original iPhone 3G - 5 years ago. NOT an LTE plan by any stretch.
He went in the back and grabbed the sim and started the process of adding it to the account.
He scanned the sim and then scanned my phone -- It CORRECTLY recognized the device as a D820 **AND** automatically updated my data plan to the LTE Unlimited.
The only thing the rep had to do was press confirm a number of times. Not once did he have to manually adjust anything.
We waited about 5 minutes for the sim to activate, slipped it into my N5 and powered it up - Instant LTE service.
So AT&T *does* have the IMEI Registered for the N5 with a corresponding LTE Plan. If someone is trying to key it in and getting an error.. they're likely not typing something correctly.
Click to expand...
Click to collapse
This is good to know, I am going to do this today as my nexus 5 should be arriving sometime today. So have the rep scan and should be good to go, at least I have a game plan if I run into some problems.
Thanks

Great thread. Could you please take a look at my issue with LTE being slower than 3G here? http://forum.xda-developers.com/showthread.php?t=2513844
I've tried adding a new APN but the phone keeps deleting it!
Sent from my Nexus 5 using Tapatalk

[Q] "Global" SCH-I535 won't work with T-Mobile GSM SIM

I'm posting this as a new thread because of all of the answers that contradict my experience in similar threads. I took a Verizon SCH-I535 set to 'global' to T-Mobile to have a GSM SIM put in. Even the Verizon customer service said that switching to a GSM card would work as the phone is not locked.
I also took an SCH-I545 in and switched SIMs without any problem. The APN data was reset automatically and my old number was ported over to T-Mobile. All was good.
However, when they put the T-Mobile SIM card (and we tried 3 different SIMS) in the SCH-I535, the T-Mobile APN entry showed up, but the T-Mobile network won't recognize the SIM card. Since they had also transferred the number from Verizon to T-Mobile, even returning the Verizon SIM card is useless. The phone can't make or receive calls on either network. I don't think I can get Verizon to reset the number back to Verizon even temporarily since I am a couple days past-due on my bill and VZW won't give you ANY help until you pay past-due amts (won't have the check for a week ).
Any suggestions? I need an exploit to break the "non-existent" SIM lock so I can return the T-Mobile SIM to the phone and have it recognized.

Playa Cat said:
I'm posting this as a new thread because of all of the answers that contradict my experience in similar threads. I took a Verizon SCH-I535 set to 'global' to T-Mobile to have a GSM SIM put in. Even the Verizon customer service said that switching to a GSM card would work as the phone is not locked.
I also took an SCH-I545 in and switched SIMs without any problem. The APN data was reset automatically and my old number was ported over to T-Mobile. All was good.
However, when they put the T-Mobile SIM card (and we tried 3 different SIMS) in the SCH-I535, the T-Mobile APN entry showed up, but the T-Mobile network won't recognize the SIM card. Since they had also transferred the number from Verizon to T-Mobile, even returning the Verizon SIM card is useless. The phone can't make or receive calls on either network. I don't think I can get Verizon to reset the number back to Verizon even temporarily since I am a couple days past-due on my bill and VZW won't give you ANY help until you pay past-due amts (won't have the check for a week ).
Any suggestions? I need an exploit to break the "non-existent" SIM lock so I can return the T-Mobile SIM to the phone and have it recognized.
Click to expand...
Click to collapse
Have you tried changing the apn settings? It may be defaulting to the VZW network
Sent from my Nexus 5

SOLVED
ShapesBlue said:
Have you tried changing the apn settings? It may be defaulting to the VZW network
Sent from my Nexus 5
Click to expand...
Click to collapse
Thanks for the response, but I called T-Mobile's tech services at 611 and (unlike years of dealing with VZW doofs with technical IQs approaching that of a stale Cheez Doodle) immediately got a highly knowledgeable techie. When I was in the store and the SIMs they tried didn't work, I pleaded with them to call tech support, but they insisted that it was the phone's fault since they tried multiple SIMs. Seems that, when T-Mobile (or at least this store) breaks a SIM out of its cardboard holder, but doesn't actually sell it, they simply tape the SIM back to the card and consider it cherry. When I got home and called the techie, he had me read him the SIM id and it turned out it had been tried out before and was still associated with the other cellphone (probably true also with the other "recycled" SIMs they tied. I read him my APN numbers and it turned out that the only problem there was the original name, which should be "T-Mobile" (it was slightly different).
He got the store's number from me, called somebody at the store, told him exactly what to do to get the phone working, and told me to go back within half an hour to get a brand-new unsullied SIM. I edited the APN name, he put the SIM in and - voila!
The onlyl problem I'm having now is that, though I was able to set up my T-Mobile mailbox for my Galaxy 4 with it automatically defaulting to a long-press of key 1 (or dialing 123 and hitting the call button), on the Galaxy III, the mailbox was set up, but a long-press on key 1 calls the non-functioning Verizon voicemail, and there is nothing in the stock system to allow you to edit the quick-dial assignment for button 1 (yes, I removed the Verizon voice-mail app and stuff down at root level). So, I set up button 2 to quick-dial 123 and now button 2 is my long-press voicemail button. Weird - I need to dig a bit more into the innards and find a way to clear the first button assignment - maybe set in build.props???
So, the phone was not at fault and T-Mobile's tech department was a revelation in totally unexpected competence and depth of knowledge (unexpected after 26 years with VZW), but the three people who mucked around with the phone at the retail store are not only proof that we descended from ape-like ancestors, but that many of us are still descending .
Thanks again.

Data is gone

will be on phone with AT&T in the morning or via chat with them. I have no access to my mobile data. no explanation, just stopped working. went into my settings for both SIM cards as I have data on both actually, but SIM 1 is the primary one and designated one. Switching settings made no difference. Had it look for network automatically says it's joined already but it's not. no connection, no internet, no Google now, email, nothing. confirmed with AT&T that my data plan is not messed up and still on my account. Was driving and it was end of night so rebooted phone, did not resolve, going to call tomorrow. (As if I have the time but I missed messages I needed to deal with on my break that came in personal email that can't be accessed at work). any suggestions with APN settings I might be missing or something? This is random and weird. Unless somehow data has an outage but you'd think the rep would have told me that. But this needs to be resolved! Don't know if it's AT&T or a phone setting.Was working fine until this morning! Love the phone! anyone? BTW: I just logged on to my account and have an idea: My SIM 1 is from my Note 3 but my account is reflecting that my device is now showing as unknown, so I wonder if this is what is going on. hmm. I'm still getting phone and text messages though. I guess I'm just going to register my SIM 1 now over too as well. maybe that's the issue. my SIM 2 is fully registered to the Pure XL. I guess I'm going online chat tomorrow again. Also, 4G is not showing up now as an available option under network choice either. So I wonder then if it's an outage issue but it's almost midnight here. Will have to chat tomorrow at work somehow with tech support. It's not the issue though with the SIM card from the Note 3 being the cause because SIM 2 is registered under the Pure XL and has a separate data plan, and that one is not working either when I try to temporarily make SIM 2 the data SIM slot. So it must be an AT&T issue. Will have to wait until the morning.
Sent from my PURE XL using Tapatalk

Well, I have learned it is a twofold issue, but importantly, all CARRIER RELATED, not phone related thank goodness. Phone is perfect
1. AT&T did a roving sweep and discovered that my IMEI on SIM 1 was no longer matching, so it turns out that my using the Note 3 SIM was in fact, an issue. I have since had the SIM re-provisioned with the IMEI for SIM 1 now on the Pure XL.
2. However...it turns out that AT&T in my area is in fact having major data network outage problems and that explains why I was unable to log on yesterday even with my properly provisioned SIM 2. And the network is in fact, STILL OUT. So I am still unable to access mobile data and it has NOTHING to do with the phone. It's AT&T all the way. Right now-the network is down. Okay-fine-that happens-they'll fix it. If you call 611 there's an alert saying that. I know stuff happens. That explains why I was getting the weird readouts yesterday that were only showing 2G and 3G on the network. (and I still wasn't getting any connection to data anyway).
So that's what the issue is. The network has been down though more than a day which is ridiculous. They really need to fix that or pro-rate that on our bills then! I'm unable to access personal email from work and rely on my phone and this is a long stretch of time to be offline so they really need to get on the stick and fix this!

babsk said:
Well, I have learned it is a twofold issue, but importantly, all CARRIER RELATED, not phone related thank goodness. Phone is perfect
1. AT&T did a roving sweep and discovered that my IMEI on SIM 1 was no longer matching, so it turns out that my using the Note 3 SIM was in fact, an issue. I have since had the SIM re-provisioned with the IMEI for SIM 1 now on the Pure XL.
2. However...it turns out that AT&T in my area is in fact having major data network outage problems and that explains why I was unable to log on yesterday even with my properly provisioned SIM 2. And the network is in fact, STILL OUT. So I am still unable to access mobile data and it has NOTHING to do with the phone. It's AT&T all the way. Right now-the network is down. Okay-fine-that happens-they'll fix it. If you call 611 there's an alert saying that. I know stuff happens. That explains why I was getting the weird readouts yesterday that were only showing 2G and 3G on the network. (and I still wasn't getting any connection to data anyway).
So that's what the issue is. The network has been down though more than a day which is ridiculous. They really need to fix that or pro-rate that on our bills then! I'm unable to access personal email from work and rely on my phone and this is a long stretch of time to be offline so they really need to get on the stick and fix this!
Click to expand...
Click to collapse
Fortunately the network is up again by 12 noon. Getting LTE just fine on newly re provisioned SIM 1 card.
Sent from my PURE XL using Tapatalk

ATT Straight Talk APN Not Working

I recently bought an unlocked Google Pixel through Google Store. I use Straight Talk's ATT service and had been using it great (i.e. 4G LTE for data and no problem receiving or placing phone calls) on my old phone, a Moto X 2013. The same SIM card does not work properly in my Google Pixel. I've tried using the APN setttings on Straight Talk's website, I've used settings suggested elsewhere on the internet, and I've used the recommended settings that Straight Talk customer support supplied. Nothing works. Sometimes my phone will receive 4G LTE data, but most of the time it does not. I cannot place phone calls either. My phone shows full service bars with a 4G LTE indicator. However, when I try to dial a phone number, the service indicator kicks down to an H (I'm assuming for 3G speeds) and the call does not go through. When I put the same SIM card back into my old phone, both data and phone calls work. Please help! I have no idea what's wrong. I really like the device, but obviously not having data or cellular service is a dealbreaker. PS When I call Google's support, they tell me it must be an issue with Straight Talk and to call them. Not very helpful.

pdwhoward said:
I recently bought an unlocked Google Pixel through Google Store. I use Straight Talk's ATT service and had been using it great (i.e. 4G LTE for data and no problem receiving or placing phone calls) on my old phone, a Moto X 2013. The same SIM card does not work properly in my Google Pixel. I've tried using the APN setttings on Straight Talk's website, I've used settings suggested elsewhere on the internet, and I've used the recommended settings that Straight Talk customer support supplied. Nothing works. Sometimes my phone will receive 4G LTE data, but most of the time it does not. I cannot place phone calls either. My phone shows full service bars with a 4G LTE indicator. However, when I try to dial a phone number, the service indicator kicks down to an H (I'm assuming for 3G speeds) and the call does not go through. When I put the same SIM card back into my old phone, both data and phone calls work. Please help! I have no idea what's wrong. I really like the device, but obviously not having data or cellular service is a dealbreaker. PS When I call Google's support, they tell me it must be an issue with Straight Talk and to call them. Not very helpful.
Click to expand...
Click to collapse
More than likely it is an issue with straight talk. ATT (which I'm on) usually needs to add your phone to their system. I.e. Registering the imei on their network. I would definitely suggest talking to straight talks customer care and make sure you don't need something like a new sim card or to have the phone provisioned to their network. Also your signal dropping from lte to H is normal as ATT doesn't have voice over lte. Which leads me to believe the phone is doing what it's supposed to but the network is not allowing the call to be placed. Same would go for data over their network.

Question T-Mobile A32 With AT&T Sim Card Won't Make or Receive Calls

Before I get on hold with AT&T tech support, I wanted to ask the experts if anyone else has had this issue.
I bought my new A32 about a month ago. It was branded for T-Mobile, but was unlocked already.
In the past, I just put my AT&T sim card in the new phone and it was ready to go (I don't mind the T-Mobile start screen).
It worked fine for a couple of weeks, then T-Mobile sent out an update and it stopped receiving texts. AT&T put in a new sim card, and that fixed the text problem, but now it won't make or accept phone calls. Calls go right to voice mail. When I try to dial a number, it just disconnects immediately.
Anyone have any idea of what could be wrong?
Thanks.

You bought an unlocked phone for a different carrier, unlocked by a third party, and updated it.

the phone can have some issues if...
1. the software version running is different (each carriers may have different versions they approved and pushed to update for their customers, hence not supporting some versions)
2. If you have unlocked and the carrier is some minor name carrier and not the main ATT then the phone may not be supported by them.
You should backup all your data to either Google or Samsung account or whatever option is shown... then ask to have the device flashed with the latest market software version from ATT. Hope this helps.

TheImpalaKid said:
Before I get on hold with AT&T tech support, I wanted to ask the experts if anyone else has had this issue.
I bought my new A32 about a month ago. It was branded for T-Mobile, but was unlocked already.
In the past, I just put my AT&T sim card in the new phone and it was ready to go (I don't mind the T-Mobile start screen).
It worked fine for a couple of weeks, then T-Mobile sent out an update and it stopped receiving texts. AT&T put in a new sim card, and that fixed the text problem, but now it won't make or accept phone calls. Calls go right to voice mail. When I try to dial a number, it just disconnects immediately.
Anyone have any idea of what could be wrong?
Thanks.
Click to expand...
Click to collapse
I have the same problem. Acquired a NIB T-mobile Samsung A32 that is confirmed unlocked but doesn't work on PuretalkUSA when it came to calling or receiving calls. Texting and websurfing works but call get immediately terminated and calls made to the phone go automatically to VM. I spent three hours on the phone with Puretalk tech to make sure the settings were correct. The tech had me attempt to update the carrier configuration version to no avail. It refused to update and remained at version 0.0.0. I then stuck an T-mobile sim in the phone and noticed that the carrier config version change to some series that I currently do not recall. However, I still could not make or receive calls. I then purchased a prepaid ATT sim and stuck it in the phone. The carrier config version changed back to 0.0.0 but I was able to make and receive calls. I'm putting one more call in to puretalk to make sure I've tried everything before giving up on the phone.
I recommend that you check this guy's video on youtube. He seems to be on to something: