[Q] Unlocked TMO N2 on AT&T data/gps issues - T-Mobile Samsung Galaxy Note II

Hey guys, i recently purchased a used TMO Note 2 to replace my wife's AT&T N2 after she dropped it off the roof of her car. It came unlocked and works for the most part, but recently she's been complaining of slow or non-existent data and GPS taking forever to locate(If at all).
My initial plan was to root the phone and install new radios specific to AT&T. After reading through various postings, it looks like a lot of you have unlocked the TMO N2 for AT&T use and are having great success. Is rooting the best plan to improve the data connection? Are there other solutions I might try? What have you guys done to improve data on your unlocked N2?

SilverStone641 said:
Hey guys, i recently purchased a used TMO Note 2 to replace my wife's AT&T N2 after she dropped it off the roof of her car. It came unlocked and works for the most part, but recently she's been complaining of slow or non-existent data and GPS taking forever to locate(If at all).
My initial plan was to root the phone and install new radios specific to AT&T. After reading through various postings, it looks like a lot of you have unlocked the TMO N2 for AT&T use and are having great success. Is rooting the best plan to improve the data connection? Are there other solutions I might try? What have you guys done to improve data on your unlocked N2?
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im using tmobile note 2 on att network without any issue and lte works..do not flash att modem.it will not work,might even brick ur phone.only thing u need to do is to add lte apn.
go to mobile network setting and add apn.search online for att lte apn setting and just add that.

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mintu123 said:
im using tmobile note 2 on att network without any issue and lte works..do not flash att modem.it will not work,might even brick ur phone.only thing u need to do is to add lte apn.
go to mobile network setting and add apn.search online for att lte apn setting and just add that.
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howd u get lte to work ?are u actually att sim or straight talk on att?

bigfdaddy2 said:
howd u get lte to work ?are u actually att sim or straight talk on att?
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I actually bought it off Craigslist unlocked, so I'm not sure what method was used to make it work. I'm using the same ATT sim that we used in her previous phone.
I ended up going into the APN settings and restoring defaults. That seemed to improve her connection immediately. not sure if it'll stick, but time will tell.
Thanks for all the help guys!

Related

No Data on AT&T for unlocked T-Mobile N2

Hey all, been lurking for a while and found that many of you have unlocked Note 2's running on AT&T. I bought my unlock code and all is well on the voice front, I just can't seem to get data working (not edge, not 3G, not HSPA+, nothing). I've tried the various APN's floating around, I've tried selecting CDMA ALL for the frequency band, and I've selected AT&T and "registered on the network" using the automated feature of the phone itself. Still nothing.
When the AT&T version is released, will I be able to flash the ROM and make it work as if I bought it from them?
Thanks in advance for your help.
Thats weird. I unlocked mine and got tge cingular apn automatically .
Sent from my SGH-T889 using xda app-developers app
Do you have the right sim and have you got at&t to update their system so it can work? Tell them you have a Note 1.
That's what Indie. I have data (but not LTE)
Sent from my SGH-T889 using xda app-developers app
apn's?
ekerbuddyeker said:
Do you have the right sim and have you got at&t to update their system so it can work? Tell them you have a Note 1.
That's what Indie. I have data (but not LTE)
Sent from my SGH-T889 using xda app-developers app
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what are these apn's you speek of fellas?
i am planing on unlocking my note ii and getting it on straight talk att or straight talk hybrid.
so taking sujestions, ideas, would like to get lte working but at least data
ekerbuddyeker said:
Do you have the right sim and have you got at&t to update their system so it can work? Tell them you have a Note 1.
That's what Indie. I have data (but not LTE)
Sent from my SGH-T889 using xda app-developers app
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Click to collapse
This is the answer I needed. Thank you! I ended up going to the AT&T store today. They said that for some reason I didn't have a data plan anymore (weird because I traded my iPhone 5 for this phone! They subsidized it.) They couldn't get my IMEI to work in their system so the saleswoman used her own IMEI to get me going.
I had been to the AT&T Store once before to trade my nanosim for a microsim, but the phone wasn't unlocked at the time so I couldn't test it out. They scanned in my phone but I guess it didn't take. All is well now, I have 4G (but not LTE, but it doesn't matter because I'm moving to a non-LTE city in less than a month).
It works perfectly, I put in the APNs from the Galaxy S3 on display that the AT&T Store. Decent speeds, awesome phone. Thanks everyone!
intopieces said:
This is the answer I needed. Thank you! I ended up going to the AT&T store today. They said that for some reason I didn't have a data plan anymore (weird because I traded my iPhone 5 for this phone! They subsidized it.) They couldn't get my IMEI to work in their system so the saleswoman used her own IMEI to get me going.
I had been to the AT&T Store once before to trade my nanosim for a microsim, but the phone wasn't unlocked at the time so I couldn't test it out. They scanned in my phone but I guess it didn't take. All is well now, I have 4G (but not LTE, but it doesn't matter because I'm moving to a non-LTE city in less than a month).
It works perfectly, I put in the APNs from the Galaxy S3 on display that the AT&T Store. Decent speeds, awesome phone. Thanks everyone!
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I wonder what speed you can get on att 4G network with TMO phone if you have tested, one of my buddy has a international version he gets 3 - 6 when did a speed test
Geet said:
I wonder what speed you can get on att 4G network with TMO phone if you have tested, one of my buddy has a international version he gets 3 - 6 when did a speed test
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That's what I get. And honestly, 3-6Mb/s is perfectly fine for me. I'd like to get LTE for the time I'm here but it doesn't bother me that I don't. At some point one has to question that value of 100Mb internet on a 3GB data plan.
LTE is locked as of right now on the tmobile GN2
intopieces said:
Hey all, been lurking for a while and found that many of you have unlocked Note 2's running on AT&T. I bought my unlock code and all is well on the voice front, I just can't seem to get data working (not edge, not 3G, not HSPA+, nothing). I've tried the various APN's floating around, I've tried selecting CDMA ALL for the frequency band, and I've selected AT&T and "registered on the network" using the automated feature of the phone itself. Still nothing.
When the AT&T version is released, will I be able to flash the ROM and make it work as if I bought it from them?
Thanks in advance for your help.
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Click to collapse
I know it isn't AT&T but it took a while to get Solavei APN working on my phone. I played with the settings forever with a customer service rep before I finally got it to work. MMS & internet work great now! Can't wait for LTE to launch!
i got my tmo verion unlocked. I purchased a 50/mo at&t go prepaid, and I can see 4G in the status bar.
Hope this helps
Just started a new thread about this...http://forum.xda-developers.com/showthread.php?t=1971879...then I found this one.

Att DATA on Verizon S3

I changed phone been using iphones since 3g. I have rooted the S3, unlocked the baseband installed the cleanrom 4.5. Changed the apn too show the att's ones however i still cannot get data on my phone. I used to have LTE/ 4G however i can only make call and text now. Advise me please!!!
first post been reading in here a couple days now. thank you
supam said:
I changed phone been using iphones since 3g. I have rooted the S3, unlocked the baseband installed the cleanrom 4.5. Changed the apn too show the att's ones however i still cannot get data on my phone. I used to have LTE/ 4G however i can only make call and text now. Advise me please!!!
first post been reading in here a couple days now. thank you
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Click to collapse
hate to tell you but you've posted in the sprint s3 forum regarding an at&t s3 on verizon lol.
also att and verizon are 2 different techs (gsm vs cdma). it won't work. can't put a gsm phone on a cdma carrier (we have no sim cards) and vice-versa.
hamagc said:
hate to tell you but you've posted in the sprint s3 forum regarding an at&t s3 on verizon lol.
also att and verizon are 2 different techs (gsm vs cdma). it won't work. can't put a gsm phone on a cdma carrier (we have no sim cards) and vice-versa.
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i never posted before check my profile. There is a slot for gsm and ATT is working. It even came with a Verizon sim in it!
supam said:
I changed phone been using iphones since 3g. I have rooted the S3, unlocked the baseband installed the cleanrom 4.5. Changed the apn too show the att's ones however i still cannot get data on my phone. I used to have LTE/ 4G however i can only make call and text now. Advise me please!!!
first post been reading in here a couple days now. thank you
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Click to collapse
One swing and two misses, how does that happen?
As the other user said, you're in the wrong forum with that question but I'll entertain an answer.
Short version: it's not going to happen. AT&T is GSM, Verizon is CDMA. Both phones use different frequencies to provide service with and I don't believe they support each other.
Jamin13 said:
One swing and two misses, how does that happen?
As the other user said, you're in the wrong forum with that question but I'll entertain an answer.
Short version: it's not going to happen. AT&T is GSM, Verizon is CDMA. Both phones use different frequencies to provide service with and I don't believe they support each other.
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sorry i found the answer myself 1900mhz!!! thank you

AT&T S3 on Tmobile

Hey guys I'm about to buy an at&t galaxy s3 but my service is under tmobile so I have a few questions. As for making it run all I need to do is unlock the phone and put my tmobile sim in right? I also have seen that the 3g won't work, does this mean I have no internet access (other than wifi)? Also is there any way around this?
And any other issues I should know about before buying the att version?
I realize some of these have been answered already, but I am very new to the smartphone game so a lot of the terms I see in other posts confuse me :silly:
You can run edge which is pretty slow internet.
You can unlock for free. Look into general section.
I guess you need to change apn but not sure on that
Sent from my SGH-T999 using xda premium
dsljk2009 said:
Hey guys I'm about to buy an at&t galaxy s3 but my service is under tmobile so I have a few questions. As for making it run all I need to do is unlock the phone and put my tmobile sim in right? I also have seen that the 3g won't work, does this mean I have no internet access (other than wifi)? Also is there any way around this?
And any other issues I should know about before buying the att version?
I realize some of these have been answered already, but I am very new to the smartphone game so a lot of the terms I see in other posts confuse me :silly:
Click to expand...
Click to collapse
Unlock the phone
You can get 2g/edge speeds whatever you want to call it, just in put the tmobile apn. If there is 1900 service on tmobile you would get the 4g. I'm using an iphone 5 on 2g speeds, it gets the job done for basic browsing and email.

Running T-mobile on ATT note 2

Hello everyone.
I'm sorry if i write bad English because I'm not really good at it. Sorry in advance.
I have a ATT Note 2 which i bought from a friend and i unlocked it by using the free method from the forms.
When i first unlocked it my phone went to lte signal and my data was working fine and i was getting lte speeds.
I made a phone call which usually drops the single to HSPA+ aka 4g/3g but for some reason my phone doesn't go back to lte after.
I even called t-mobile they said they see my phone was on lte but they don't know why it's not going back to lte.
If anyone here running Tmobile sim in Att note 2 and still getting lte speeds after phone call is made please provide me some instructions as because I've tried everything possible i can from the forms. I've been trying for almost more then 3 to 4 months i still haven't found any solution to this problems.
If anyone can help me out that will be great.
Thank you and sorry for my bad English.
That's odd, mine is unlocked and I use Tmobile but I dont have those problems... maybe it's the modem, could be reception... sorry to head you're having issues dude.
FREE BUMP
justforgot said:
Hello everyone.
I'm sorry if i write bad English because I'm not really good at it. Sorry in advance.
I have a ATT Note 2 which i bought from a friend and i unlocked it by using the free method from the forms.
When i first unlocked it my phone went to lte signal and my data was working fine and i was getting lte speeds.
I made a phone call which usually drops the single to HSPA+ aka 4g/3g but for some reason my phone doesn't go back to lte after.
I even called t-mobile they said they see my phone was on lte but they don't know why it's not going back to lte.
If anyone here running Tmobile sim in Att note 2 and still getting lte speeds after phone call is made please provide me some instructions as because I've tried everything possible i can from the forms. I've been trying for almost more then 3 to 4 months i still haven't found any solution to this problems.
If anyone can help me out that will be great.
Thank you and sorry for my bad English.
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Click to collapse
I'd verify the APN and make sure you have the most recent modem flashed.
CharliexCharger said:
I'd verify the APN and make sure you have the most recent modem flashed.
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Click to collapse
First things first, what solutions have you tried? If we don't know what you've tried it won't help much. Also what method did you use to unlock it?
If you used the free unlock then you have the J2 modem - that's the earliest stock AT&T modem. Since you were able to downgrade, I'm assuming you can upgrade too. Depending on your location (whether t-mobile is using the refarmed AT&T bands or using their own) you can use the latest modem or you can search for a t-mobile modem.
But speed is what matters, not what icon is displayed. Check the phone status under the settings menu to see the actual network type you're connected to.

AT&T LTE data issues on Verizon LGG4

I have been trying to use my verizon LGG4 on AT&T, I don't have an issue with call and messages but the data is not working on LTE, I have been upgraded to 13B and haven't rooted yet as the other forum suggested for T-Mobile, but I haven't seen any specific solutions for AT&T.
I have tried to change several options on Mobile network for data and APN setting but nothing is working.
Can I have any expert help on this.
If you look at the T-Mobile thread, there is also a lot of discussion regarding AT&T/Cricket. AFAIK, there is currently no solution for AT&T, so you are stuck on HSPA currently. I ditched Cricket and went to T-Mobile, works like a charm now with great speeds. I realize that may not be a solution for everybody, but I have my doubts a solution for AT&T is possible, at least on the current firmware.
newwonder01 said:
I have been trying to use my verizon LGG4 on AT&T, I don't have an issue with call and messages but the data is not working on LTE, I have been upgraded to 13B and haven't rooted yet as the other forum suggested for T-Mobile, but I haven't seen any specific solutions for AT&T.
I have tried to change several options on Mobile network for data and APN setting but nothing is working.
Can I have any expert help on this.
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I'm about to buy a Verizon version for super cheap that's unlocked for my at&t, does mms work? And is your H+ fast? Could u do a speed test and post the results? I just don't want to waste my money.

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