yashsingh1/xdaforums huggingface dataset:
[AT&T Galaxy Note 3 General] NMonster69:
I had an issue where I couldn't seem to stay on LTE. My G/F's note 2 was on LTE 99% of the time, I was on maybe 50% with the balance being H and H+. If I rebooted my phone it would come up on LTE then fall back to H/H+. Went into my build.prop and enabled HSUPA (changed ro.ril.hsxpa=1 to a value of 2) as tmobile disables it. Since I am forced to live on H/H+ more, I might as well enable HSUPA. The setting is unrelated to LTE but ever since I made the change my LTE is back to acting normal again. Disabled HSUPA might be the way they are detecting these phones and knocking users back to h/h+. It def made a diff for me even though it 's an unrelated setting. I spent at least a week with this phone exhibiting this issue and the very same day I made this change it started behaving normal again. YMMV but it's worth doing anyways for the rare times spent on H/H+
[AT&T Galaxy Note 3 General] mircury:
Are you sure your phone is completely stock? You might try odining back to stock if you're not. Also, if you would like us to take a look at your apn settings please post screenshots. Did you mess with the settings of the default apn it comes with? When your mobile data cuts off does wifi data still work (maybe a firewall/security app)? Did this guy on CL use the code and give it to you or use the region lock app to unlock your phone? Also as an experiment after making sure you are stock I would not switch to LTE and see if it does the same thing.
[AT&T Galaxy Note 3 General] chinapaulo:
Thanks for the suggestions. I did restore my phone to factory settings; not sure if that blows it all the way back to stock, though. I'll look into that.

The guy I bought it from got the unlock code from T-Mobile and gave it to me. I applied it and it worked perfectly. No rooting.

I'll post screenshots of my APN today, but I deleted the default APN and created a new one with the settings in the first post of this thread:

NAME: ATT Phone

APN: phone

MMSC: http://mmsc.mobile.att.net

MMS proxy: proxy.mobile.att.net

MMS port: 80

MCC: 310

MNC: 410

APN type: default,mms,supl,hipri

Since then, I switched to the settings that my HTC One X has:

Name: AT&T PTA

APN: pta

MMSC: http://mmsc.mobile.att.net

MMS proxy: proxy.mobile.att.net

MMS Port: 80

MCC: 310

MNC: 410

APN Type: default,admin,fota,mms,supl,hipri

Anecdotally, it seems to be working a bit better with the second APN setting. In fact, it stayed connected overnight, but when I change location (ie. walk a half mile down the street), it seems to trigger the network drop where I can only get my connection back if I reboot. There's no problem at all with WiFi, which eliminates any security app as the cause of the problem.

When the network connection drops, the phone starts to really warm up while it searches for a network connection, and the battery starts to plummet -- about 1% per minute.

Last night I installed 'Floating Network Monitor' to see if I could gain any insights, and my connection hasn't dropped yet. I'll take a nice drive around the city to see if my issue is resolved.
[AT&T Galaxy Note 3 General] bigbiff:
I get this issue too. I wonder if it's a defect.
[AT&T Galaxy Note 3 General] mircury:
Hi bigbiff, does it happen on MJ7 also?

Also does going in and out of airplane mode fix it? I wonder if the debug logs would give any insight. If it heats up it's probably pegging out the cpu.
[AT&T Galaxy Note 3 General] memee4eva:
I am currently using X-NOTE ROM ( http://xdaforums.com/show....php?t=2472301 ) on my unlocked N900T and I am trying to add the following APN settings:

* NAME: ATT Phone

* APN: phone

* MMSC: http://mmsc.mobile.att.net

* MMS proxy: proxy.mobile.att.net

* MMS port: 80

* MCC: 310

* MNC: 410

* APN type: default,mms,supl,hipri

But when I get to the last part (APN type), I cannot type (default,mms,supl,hipri), It only gives me options to choose:

* Internet + MMS

* Internet

* MMS

Do you know if (Internet + MMS) is the same as (default,mms,supl,hipri)? If not, do you know how I can change it to (default,mms,supl,hipri)?

Thanks in advance,
[AT&T Galaxy Note 3 General] mircury:
It should work. I'm not running that rom so I don't know for sure. They probably just simplified it because those other values are pretty much standard.
[AT&T Galaxy Note 3 General] chinapaulo:
When in my home, I kept a good connection for 12+ hours overnight and through the morning, but today I drove a mile to the bank and my connection dropped and the phone started to heat up. As usual, a reboot was required to fix it (actually two reboots). If I had to guess, I'd say that the problem is triggered by switching from one cell tower to another. I have no idea if that implicates AT&T's network, the SIM card, or the phone itself. (I should note that AT&T's coverage is very good in my area -- I have great LTE connectivity for many miles in all directions on my HTC One X and my wife's iPhone 5.)

The next thing I'm going to try is to borrow my friend's T-Mobile SIM card and drive around town to see if I have the same problem. I'm only going to need AT&T for the next 6 months until my contract runs out, at which point I'll be switching to T-Mobile anyway. As long as I can prove to myself that there's nothing wrong with the phone itself, I could probably learn to live with this or work around it, or maybe even jump to T-Mobile early if it doesn't cost me a fortune.
[AT&T Galaxy Note 3 General] bigbiff:
I have only used stock Tmobile because I want to keep selinux enforcing.

It usually happens when the phone loses signal. Airplane mode doesn't help much. I tried disabling data as well and re-enabling. Only thing that fixes it is a reboot. Makes me think it's a software/firmware issue rather than a hw bug.
[AT&T Galaxy Note 3 General] chinapaulo:
Going in and out of airplane mode doesn't work for me. I need a full reboot.

Agreed about pegging the CPU -- when this happens, the phone gets pretty hot and the battery starts to drop like a rock.

Apologies for the noob question, but how can I turn on debug logging? If I can turn on the logging, I can hop in my car, repro the problem and post the logs for analysis.
[AT&T Galaxy Note 3 General] memee4eva:
In system status, it shows Mobile network type: LTE

Is it supposed to be LTE or LTE:14 ?
[AT&T Galaxy Note 3 General] mircury:
Mine just says LTE and it's running great.
[AT&T Galaxy Note 3 General] chinapaulo:
bigbiff -- I have some moderately good news. I tried out my friend's T-Mobile SIM, drove for miles around town and had no connection problems at all. So for me, the issue is only reproducible when I use my AT&T SIM, and there doesn't appear to be anything fundamentally wrong with the phone. I'm wondering if it's the SIM card itself and if I should try another AT&T SIM.
[AT&T Galaxy Note 3 General] hnic32:
Well, i have a TMO GN3. I originally had it TMO prepaid. I live in Northwest Indiana, however i work in Chicago. At first, when they hit the LTE switch in Chicago, it was very spotty, even when it showed LTE, it was only 1-2 bars. I would get a LTE signal at home because i live approx. 30 miles from the city, so it hadnt made its way out here yet. So my 4G was good. After about 90 days they flipped the switch out here. Same issue here, coverage was spotty, 1 bar, so i disable lte on my phone because the signal was great on 4G, full bars, 10mbps down speeds. So then after a couple of weeks, i decided to test it out to see if there was any progress, and BAM, FULL BARS, 20mbps + down speeds, GREAT! Now the downside, when i drive to work on the toll road, never fails, calls drops when i cross the bridge from Indiana over to Chicago. It came to the point i would start warning people whenever i get ready to cross over the bridge that this call would possibly be disconnected, then BOOM, disconnected. Didnt matter if i was on lte or 4g. Any the coverage at work has taken a nose dive after the lte upgrade. so i decided to try att since i saw they now had a $60 gophone prepaid plan for smartphones + lte.So i unlock using Chaifire's method (You're the MAN!) got a sim from ebay for 3 bucks, changed the apn, and boom lte. Now my issue is connection! When i switch to lte i can get 0-2 bars max, 2-3 bars max on 4g. Then i got to reading and i saw that Chainfire's method mods the modem. Could that be an issue? Im not saying for everyone, butmaybe for me and users of the TMO note 3 on at&T in my area? I see there is only the m17 radio ava. Maybe when another one comes out, it may show improvement. Maybe if someone could create a hybrid modem that could work on at&t and tmo like the note that would also make a big difference. Anyone have any ideas i could try now that may help me improve signal?
[AT&T Galaxy Note 3 General] bigbiff:
I'm beginning to think it's my case. I can even reproduce it walking around my house with the case on. With the case off I haven't had a disconnect yet. I will try with the case on and see if I get the disconnect again.
[AT&T Galaxy Note 3 General] snovvman:
Pocket Faraday Cage? Embedded with metallic mesh?

If it does turn out to be the case, I'd like to know the make/model...
[AT&T Galaxy Note 3 General] bigbiff:
I will know more when I drive to work tomorrow without the case on.
[AT&T Galaxy Note 3 General] harosxcomp170:
I just got my SIM and got my phone a activated. If I can send a 1 picture in a text does that mean my mms is working? Or would the message have to me more than 176kb to be a mms? Thanks!
[AT&T Galaxy Note 3 General] Pikezer1337:
I sold my ATT Note 3 and bought myself a Tmobile one. Hasn't arrived yet but it seems like people are having trouble with signal. Don't want to go through 60 pages but is the general consensus that the signal is just as good on an ATT Note 3?

I know there's a thread going around in the tmobile forum where people flashed the ATT modem and are getting better signal.
[AT&T Galaxy Note 3 General] mircury:
I haven't noticed a difference in signal at all. The bars will be different because ATT uses a different equation to calculate the bars. You can only know for sure by looking at the db's (signal strength) and again I haven't noticed any difference. Same speed and same call quality.
[AT&T Galaxy Note 3 General] bigbiff:
Do you have the occasional disconnect issue where you can't get signal back without a reboot? Also it causes the phone to heat up extensively. I have determined it happens with and without the case, and might be either a baseband error or HW error. But since one of the other posters didn't have an issue with T-Mobile, I wonder if there is a baseband issue.
[AT&T Galaxy Note 3 General] Jayster0966:
I have done what you are doing and from my experience the signal does seem to remain at about the equivalent DB gain. In my situation it seems that this T-Mo version does switch between 4G and LTE more frequently. The ATT N3 seemed to hold on to the LTE signal just a little longer. As others have mentioned, that you can't really tell by using the bars as a visual scale as the rating scale is different. Still the best move I made as I can still very much enjoy my ATT coverage with the plus of having the T-Mo N3 to satisfy my flashing addiction.

Have not had this experience at all. Phone just seems to be signal search happy between 4G and LTE.

My $.02 worth.
[AT&T Galaxy Note 3 General] mircury:
I have not had this either.
[AT&T Galaxy Note 3 General] Jacob030:
Hi, I was wondering if the T-Mobile Note 3 would work with a straight talk att sim
[AT&T Galaxy Note 3 General] mircury:
Yes, look at the original post for apn settings.
[AT&T Galaxy Note 3 General] Jacob030:
Thanks. Maybe I need to stop scanning the op's. I read the part about AT&T apn's. But, then I just skipped ahead. :sly:
[AT&T Galaxy Note 3 General] hnic32:
Neither have I.

---------- Post added at 08:23 AM ---------- Previous post was at 07:57 AM ----------

Do you have a link to that particular thread?
[AT&T Galaxy Note 3 General] harosxcomp170:
Me either! I'm so happy I did this! I'm paying $60 a month non contact unlimited talk, text, and 2gb of data! I'm using the first APN settings listed on the OP. Not straight talk. I got LTE and 4G and my service is way better then Verizon was where I live! Happy to the max! Thanks to whoever posted this!
[AT&T Galaxy Note 3 General] rockinandroid:
hey guys......gonna be trading att note 3 for tmobile note 3 and person said he has a hard time sending picture textes and also multiple people textes....can anyone confirm that picture messaging and group texting is okay running tmobile note 3 on att network....any other issues i need to worry about???? Thanks for any help!!!!
[AT&T Galaxy Note 3 General] Jayster0966:
As long as you setup APN setting correctly you should have no problem. I use mine to send MMS and texts all day long for work and no problems so far. :good:
[AT&T Galaxy Note 3 General] rockinandroid:
double thanks:good:

---------- Post added at 08:11 PM ---------- Previous post was at 07:56 PM ----------

hey guys...was wondering if anyone is using tmobile note 3 on att network with their microcell????? does it connect to att microcell....any help is appreciated...thanks again.....
[AT&T Galaxy Note 3 General] thejmannnc:
I have been reading the forums and have a question I hope someone can help me with. I have a t mobile note 3 (locked) and im thinking g about using straight talk. I know straight talk offers a t mobile sim card thats compatible but my mobile service here with t mobile sucks! If I use the straight talk tmobile sim card will I get reception from only the t mobile towers they use or will it use ALL the network towers straight talk has access to.

Just trying to figure out if I should unlock my phone so I can use their att sim and access their towers. Just not sure how that works.

Any help would be greatly appreciated! Thanks....
[AT&T Galaxy Note 3 General] mircury:
If you use a straight talk ATT sim it will use ATT's network which it sounds like has better coverage in your area. You will need to be unlocked for this. If you use a straight talk t-mobile sim it will use tmobile's network.
[AT&T Galaxy Note 3 General] thejmannnc:
Thank you very much. Just the answer I was looking for! One more quick question,, this won't effect any roms, etc. I flash for my sm-900t?

Might be a siily question but better safe than sorry!
[AT&T Galaxy Note 3 General] mircury:
Ya, you'll be fine. Flash away. With the ATT devs and power users coming over to this device it has become the unofficial developers edition for ATT's network. Just set your APN and you are good to go.
[AT&T Galaxy Note 3 General] thejmannnc:
Thanks!
[AT&T Galaxy Note 3 General] MattMJB0188:
I'm not sure if I asked here before, but are there options for warranty replacements if we flash custom recovery? I believe flashing a custom recovery will trip the knox counter at 0x1, instead of 0x0. I would love to get some opinions of those running this device on AT&T and what you guys do for warranty? Would square trade honor a phone with the knox counter reading 0x1?

I am referring to the device breaking on its own, such as buttons malfunctioning, or the screen not turning on one day. I want to make sure my $700 toy is covered, despite me flashing custom roms, which had nothing to do with the failure.
[AT&T Galaxy Note 3 General] mircury:
I personally have squaretrade. If something goes wrong hardware wise I will odin to stock if I can and then file a claim. I doubt they will check for knox or if it even matters to them. I have never heard of them rejecting a broken hardware claim because of a flashed rom.
[AT&T Galaxy Note 3 General] MattMJB0188:
Doesn't the device still have a 1yr warranty through Samsung and T-Mobile though? And in your case, wouldn't they send the device to Samsung first, which they'd see the Knox, and then SquadeTrade wouldn't honor it?
[AT&T Galaxy Note 3 General] mircury:
My understanding is that if the manufacturer refuses then they will repair it up to the value of the policy like normal. If the manufacturer repairs it then nothing is deducted from the policy. Either way I have a policy with accidental damage coverage. Another route for me also would be to take it to tmobile and see if they would take it or give me a refurb. I think I'm pretty covered if something goes wrong that's not my fault or even if it is with the accidental coverage.

On a side note. I rarely break phones but one time I left my htc diamond (old phone) on the bumper of my fire engine and went responding to a call. Needless to say that phone didn't survive. :)
[AT&T Galaxy Note 3 General] rockinandroid:
hey using tmobile phone and i have att but not getting lte...when i do your suggestions....i get to this part...

Then go to the home screen menu setting, more networks, mobile networks, network mode and change to LTE/WCDMA/GSM

I have no network mode to change on my rom...using Darth Stalker....any help is suggested....
[AT&T Galaxy Note 3 General] Jayster0966:
Maybe want to try JEDI V3? (or any other ROM) Don't want to sound prejudiced. LOL Just to see if your LTE returns.

You can always return to DarthStalker if that's your preferred ROM.
[AT&T Galaxy Note 3 General] MattMJB0188:
Ok, I have noticed that the LTE signal is not very strong. In fringy areas, it struggles. HSPA+ signal seems very strong on the TMO branded Note 3.
[AT&T Galaxy Note 3 General] bigbiff:
Yeah, I am beginning to wonder if that's what's crashing the modem. I am trying to run hspa+ only for the next few days to see if the modem crashes.
[AT&T Galaxy Note 3 General] MattMJB0188:
The modem is probably optimized for AWS HSPA and AWS LTE. LTE signal is near useless in fringy areas. Almost a deal breaker for me. I might flash back to stock to see if I can use it. If so, I might pick up the ATT version, and I hear the N900a gets a much better signal, as it is probably optimized for LTE Band 17 (700).
[AT&T Galaxy Note 3 General] mircury:
Hmmm... I had a ATT Note 2 before the note 3 and have noticed absolutely no difference in LTE coverage with the N900T, even in difficult places. It shows less bars but that is expected since the ATT bar formula is different. The db's for the most part are the same. In the past, I have had a single bar of LTE on my Note 2 and not been able to get LTE and with my Note 3 it shows no bars of LTE and I don't get it either.

If you do get the ATT version take some pictures and speed tests side by side and post them. I don't think anyone has posted proof yet it just seems to be speculation at this point.
[AT&T Galaxy Note 3 General] les_garten:
Indeed.

I have a TMO N3 on ATT and even though the bars look like crap, the voice quality is clear and I never get dropped calls. Maybe we need a Wanan mod for this. It just always shows 5 bars for the signal Neurotics out there...
[AT&T Galaxy Note 3 General] MattMJB0188:
I learned very long ago, never to go by bars. I always go by -dbm. In a location where my iPhone got 2 bars of LTE with a -90dbm-101dbm, the N900T gets about -110dbm-114. Half the time it just sat on HSPA+. In that location, I always average 10-13mbps down. The N900T barely got me 5 and one time gave me 3.

Now that is in ONE location. At home, my N900T is giving me slightly better LTE reception, so go figure. About a -10db difference, so go figure.
[AT&T Galaxy Note 3 General] robroth:
I just ordered the N900T from Negri (for use on AT&T for the next several months, then switching to TMOB) and just received an email with the following:

Good afternoon, I wanted to follow up with you and notify you of the status of your order. The N900T model device you purchased is now IMEI restricted and we do not wish to send you a device that we know is not going to work for service on T-Mobile's network. We do apologize for the delay as this was an unforeseen issue with T-Mobile stock that we have experienced. We would like to offer you an alternative device for your order. The N900W8 model Note 3 is a unit that is compatible with T-Mobile service and does not include the T-Mobile software on the device. I will provide a link for review:

http://negrielectronics.com/samsung-n900w8-galaxy-note-3-lte-32gb-unlocked-black.html#.UpPdU8RDuSo

These units are priced higher than the N900T in your order but we would like to offer this device to you at no additional cost as a courtesy for the delay in your order. Please let us know how you would like to proceed and we will be here to help. Thanks again and have a great day!

Looking at the radios on the N900W8, it seems the LTE radios are different

N900T

2G Network	GSM 850 / 900 / 1800 / 1900

3G Network	HSDPA 850 / 1700 / 1900 / 2100

4G Network	LTE 700 / 1700 / 2100

N900W8

2G Network	GSM 850 / 900 / 1800 / 1900

3G Network	HSDPA 850 / 1700 / 1900 / 2100

4G Network	LTE 1700 / 2100 / 2600

I understand AT&T is planning on using 700 in 2014 so I don't think this is a good choice from my limited research. Any thoughts on this or the email re: IMEI locks on TMOB?
[AT&T Galaxy Note 3 General] mircury:
From, previous posts they get their stock from all over the place. It looks like their current stock of N900T's have been blacklisted for one reason or another. The FCC report for the W8 says it actually supports LTE 700 but says nothing about band 1 hspa/umts or band 7 lte.

If it was me, I wouldn't do it. I wouldn't want to plunk down the cash without knowing it will work both places without issues. Also, from a flashing perspective you will need a N900W8 recovery instead of the N900T recovery. If you are going to tmobile in the future I would just get the N900T from somewhere else like tmobile. There also may be some incompatibilities if you try to flash a N900T rom on it. Nothing serious I dont think but a hassle.
[AT&T Galaxy Note 3 General] robroth:
Thanks much, that was my thinking as well. I wasn't able to order one unsubsidized from the TMOB website which is why I went to Negri, but just called a local TMOB store and I can go pick one up in person.
[AT&T Galaxy Note 3 General] les_garten:
I have emergency Psychiatrists enroute to your location for a STAT "head examining" that is indicated by the thoughts in your head that would make you contemplate giving money to Negri. Please remain calm. The tranquilizer dart only hurts for a short period of time...

We'll get this sorted out, Lobotomies are only indicated in perhaps 40% of these cases...
[AT&T Galaxy Note 3 General] robroth:
Hahaha, I'm a bit out of touch. At one time I could swear they were often recommended in these forums. I'll be hitting up a TMOB retail store on Monday.
[AT&T Galaxy Note 3 General] les_garten:
There are 2 epic threads here on the N3 Launch and the stuff they pulled and the junk they sold. I am surprised that nonsense is still going on with them.

I cancelled my order with them as did a lot of others. Give them a wide berth IMO.
[AT&T Galaxy Note 3 General] hoangps:
N900A OTA updated FW MJ5 failed with this method
[AT&T Galaxy Note 3 General] mircury:
What method? Wrong thread?
[AT&T Galaxy Note 3 General] psbsp:
So rooted the 900a. As I'm new to android seems I should just sell the 900a on Craigs and pick up a 900t. Save myself the headache.
[AT&T Galaxy Note 3 General] Jayster0966:
+1 on that. Especially if you are wanting to learn the process of flashing and experimenting with all the good roms and themes out there.

You could sell your N900A and pick up a N900T on Swappa. (just a suggestion)
[AT&T Galaxy Note 3 General] mircury:
Just saw that ISIS is offering 20% off purchases. Sooooo, use your ATT note 3 with ISIS to buy a Tmobile note 3 at the TMO store because they take nfc payments. $140 discount. Sell your n900a on swappa. Profit.
[AT&T Galaxy Note 3 General] bigbiff:
I have ran entirely on HSPA+ the last few days on ATT and haven't had the modem crash that I would have on LTE. So I guess that's where the problem lays. Doubt it will ever be fixed but you never know...
[AT&T Galaxy Note 3 General] Limeybastard:
I could have sworn the N900T also supports LTE 2600 ? That's why o bought it so that when a few euro countries turn on this band I could utilize it when there.

https://t-mobile.jive-mobile.com/#jive-document?content=/api/core/v2/documents/9056