[Q] unlocked T999 can't access AT&T network - T-Mobile, Samsung Galaxy SIII

I got a brand new T999, and had it unlock on ebay. It can make phone calls, but can't access AT&T network, and it can access wifi though.
I called AT&T a couple of times, and I think they had done everything they could, including input an AT&T APN manually, but still could not make it work.
Do you guys have any idea to fix it?
Thanks very much!

turtlet12 said:
I got a brand new T999, and had it unlock on ebay. It can make phone calls, but can't access AT&T network, and it can access wifi though.
I called AT&T a couple of times, and I think they had done everything they could, including input an AT&T APN manually, but still could not make it work.
Do you guys have any idea to fix it?
Thanks very much!
Click to expand...
Click to collapse
Not being rude but have you switched data off then back on after you saved the att apn?
Sent from my SGH-T999 using Tapatalk 2

Tey factory reset who knows might help

lazarat said:
Tey factory reset who knows might help
Click to expand...
Click to collapse
elesbb said:
Not being rude but have you switched data off then back on after you saved the att apn?
Sent from my SGH-T999 using Tapatalk 2
Click to expand...
Click to collapse
I tried everything: factor reset, check/uncheck data package, power on/off.
Do you think it may be caused by the unlock process? it was not through an unlock code, and somebody connected to the phone remotely and did some work on it.

turtlet12 said:
I got a brand new T999, and had it unlock on ebay. It can make phone calls, but can't access AT&T network, and it can access wifi though.
I called AT&T a couple of times, and I think they had done everything they could, including input an AT&T APN manually, but still could not make it work.
Do you guys have any idea to fix it?
Thanks very much!
Click to expand...
Click to collapse
This should work, i used these specifc settings for atnt on an S3. Stock tmobile everything.. kernel/rom.
Name: AT&T PTA
APN: pta
Proxy:<Not set>
Port:<Not set>
Username:<Not set>
Password:<Not set>
Server:<Not set>
MMSC: http://mmsc.mobile.att.net/
MMS proxy: proxy.mobile.att.net
MMS port: 80
MMS protocol: WAP 2.0
MCC: 310
MNC: 410
Authentication type:<Not set>
APN type: default,admin,fota,mms,supl,hipri
After punching everything in it may take a while for the 3g symbol to show, just be patient.
Hope it works!

arctic84 said:
This should work, i used these specifc settings for atnt on an S3. Stock tmobile everything.. kernel/rom.
After punching everything in it may take a while for the 3g symbol to show, just be patient.
Hope it works!
Click to expand...
Click to collapse
The AT&T CSR told me to input the following (I am not allowed to input outside links on this forum yet) and it didn't work. But I will definitely try yours. I don't quite understand "Stock tmobile everything.. kernel/rom. ". Did you mean I need to replace tmobile ROM before I input APN? Thanks a lot!
APN (Access Point Name)
Name: ATT WAP
APN: wap.cingular
Proxy: wireless dot cingular dot com
Port: 80
MMSC: mmsc dot cingular dot com
MMS Proxy: wireless dot cingular dot com
MMS Port: 80
MCC: 310
MNC 410
Authentication type: None
APN type: internet + mms

System settings , more settings, mobile networks,access point names, hit menu button and select add new apn then add ^^^^ what he gave you
Sent from my SGH-T999 using xda premium

turtlet12 said:
The AT&T CSR told me to input the following (I am not allowed to input outside links on this forum yet) and it didn't work. But I will definitely try yours. I don't quite understand "Stock tmobile everything.. kernel/rom. ". Did you mean I need to replace tmobile ROM before I input APN? Thanks a lot!
APN (Access Point Name)
Name: ATT WAP
APN: wap.cingular
Proxy: wireless dot cingular dot com
Port: 80
MMSC: mmsc dot cingular dot com
MMS Proxy: wireless dot cingular dot com
MMS Port: 80
MCC: 310
MNC 410
Authentication type: None
APN type: internet + mms
Click to expand...
Click to collapse
What I meant to say was that my phone was stock with no modifications, just unlocked. Just punched in the settings and was good to go. I don't see why it wouldn't be the same for other roms though. Hope it works!

Related

[Q] Pitures not being sent via SMS

I Currently just switched over to Blackjelly from an AOKP ROM. My data did not work until i changed some APN settings. Now I cannot get my phone to send pictures via SMS. I have searched a ton does anyone have any ideas?
dadeeyoh said:
I Currently just switched over to Blackjelly from an AOKP ROM. My data did not work until i changed some APN settings. Now I cannot get my phone to send pictures via SMS. I have searched a ton does anyone have any ideas?
Click to expand...
Click to collapse
What APN settings are you using
dadeeyoh said:
I Currently just switched over to Blackjelly from an AOKP ROM. My data did not work until i changed some APN settings. Now I cannot get my phone to send pictures via SMS. I have searched a ton does anyone have any ideas?
Click to expand...
Click to collapse
It won't allow you to send or the receiver just gets a blank message? (That was my problem using CM10 stable and the following nightlies) I never did resolve the issue before going back to stock.
Sent from my SGH-I747M using xda app-developers app
These are my apn settings
Still looking for help and ive searched some more with no info.
Your APN is almost entirely wrong.
name: ATT PTA
apn: pta
proxy: not set
port: not set
username: not set
password: not set
server: not set
mmsc: http://mmsc.mobile.att.net
mms proxy: proxy.mobile.att.net
mms port: 80
mcc: 310
mnc: 410
auth type: not set
apn type: default,supl,mms
apn protocol: IPv4
bearer: unspecified
Enter exactly as you see this. The lack of space after the commas in apn type are deliberate.

[Q] Re-enable network lock???

Hi everyone,
I'm new to this forum so please cut me some slack :laugh:
I was wondering if there was a way to re-enable the network lock
on a galaxy s3 i747m originally locked to telus...
I unlocked it using the free way on jelly bean, and ever since then, it hasn't
been able to hold a call, which leads me to assume, the process screwed up
for me...
currently i'm on the att go phone plan with 1 gb of data
I tried changing my APN settings and what not, but it seems
nothing works...
So i was wondering, if i were able to re enable network lock
then i can buy a code online and unlock it using that method...
Does that sound like a sound solution?
Please help!
Just to verify before taking the next step, are these the APN settings you used? ATT Go plans use a different set of APNs then their standard plans.
Name: ATT
APN: wap.cingular
Proxy: none
Port: none
Username and password are blank
Server: none
Mmsc: http://mmsc.cingular.com
Mms proxy: wireless.cingular.com
Mms port: 80
Mcc: 310
Mnc: 410
Authentication type: none
APN type: default
Sent from my SGH-I747 using xda app-developers app
I've tried changing the APNs, and everything
but nothing seems to work....
in fact, the USSD codes also provoke no reaction from the phone either
so now i'm highly puzzled...
I also went online to chat with Telus and Samsung tech support
and none of them provided any help
Can anyone help?

[Q] Can't send or recieve texts!! APN??

Hey guys this is my first post. I flashed liquid smooth 2.5 and i started looking around through my settings and came across APN. I think I changed something that wasn't supposed to and now I can't send or receive texts, although I do still have a stable internet connection. Anybody know how to fix this?? Thanks!
marcoxx626 said:
Hey guys this is my first post. I flashed liquid smooth 2.5 and i started looking around through my settings and came across APN. I think I changed something that wasn't supposed to and now I can't send or receive texts, although I do still have a stable internet connection. Anybody know how to fix this?? Thanks!
Click to expand...
Click to collapse
go back to the APN's and press menu then reset to defaults. should fix ur problem if u changed them.
marcoxx626 said:
Hey guys this is my first post. I flashed liquid smooth 2.5 and i started looking around through my settings and came across APN. I think I changed something that wasn't supposed to and now I can't send or receive texts, although I do still have a stable internet connection. Anybody know how to fix this?? Thanks!
Click to expand...
Click to collapse
If the reset doesn't work you can get the apn settings online and just re add the APN for your carrier.
NAME: T-Mobile US
APN: epc.tmobile.com
PROXY: Blank
PORT: Blank
USERNAME: Blank
PASSWORD: Blank
SERVER: wap.voicestream.com
MMSC: http://mms.msg.eng.t-mobile.com/mms/wapenc
MMS PROXY: 216.155.165.50
MMS PORT: Blank
MCC: 310
MNC: 260
AUTH TYPE: NONE
APN TYPE: default,supl,mms

[Q] PLZ help tmobile s3 on straightalk (t-mobile sim)

Good day!!! well this problem has been driving me crazy for the past 6-7 hours. i bought an unlocked tmobile s3 and i'm trying to get data(4g) on this phone with straight talk. calling and texting work fine but data is a no go.
I have litterally tried over 10 diferent apn combinations found online, provided by stratight talk rep and this website and none have worked. with most of them i get the small 4g label to light up next to my signal strenghth implying that my phone is connected to data, but when ever i try looking for somenthing with the browser or the playstore it says i have no internet connection or it redirects me to a website
here are some of the apn combinations i've tried:
NAME:STRAIGHT_TALK
APN:wap.tracfone
PORT:8080
MMS_APN:wap.tracfone
MMSC: ttp://mms.tracfone.com (H at the beggining)
NAME:STRAIGHT TALK
APN:wap.tracfone
PORT:8080
MMS Proxy: 216.155.165.40
MMSC: blank
NAME:STRAIGHT TALK
APN:wap.tracfone
Proxy: 216.155.165.40
PORT:8080
MMS Proxy: 216.155.165.40
MMSC: blank
I'm starting to think that the permanent APN settings for tmobile, which i can't remove, are maybe causing conflict with straightalk's apn settings despite the fact my phone stays on straightalk apn settings.
please someone help me, i'm about to smash the phone and move on.
Try:
Name: StraightTalk T-Mobile
APN: wap.tracfone
Port: 8080
MMSC: http://mms.tracfone.com
MCC: 310
MNC: 260
APN type: default,supl, mms
APN protocol: IPv4
APN roaming protocol: IPv4
No idea if it will work, I just took it from one of the APNS my ROM has
Sent from my SGH-M919 using Tapatalk
serio22 said:
Try:
Name: StraightTalk T-Mobile
APN: wap.tracfone
Port: 8080
MMSC: ttp://mms.tracfone.com
MCC: 310
MNC: 260
APN type: default,supl, mms
APN protocol: IPv4
APN roaming protocol: IPv4
No idea if it will work, I just took it from one of the APNS my ROM has
Sent from my SGH-M919 using Tapatalk
Click to expand...
Click to collapse
thanks for the reply!!!! but unfortunately no luck. it says its on edge and doesn't load up any webpages. says the phone is offline.
Make sure that APN is actually set as default.
Perseus71 said:
Make sure that APN is actually set as default.
Click to expand...
Click to collapse
you do this by making sure the green dot, the straightalk apn is selected correct? if so it is and still not working.
I assume you are able to make and receive calls just fine. Silly question but I assume, your Straight Talk account is all set for data and what not ?
EDIT - What baseband do you have right now ?
Perseus71 said:
I assume you are able to make and receive calls just fine. Silly question but I assume, your Straight Talk account is all set for data and what not ?
EDIT - What baseband do you have right now ?
Click to expand...
Click to collapse
yep i'm able to receive and make calls just fine and data is also configured. my baseband is 800/1900 i believe...
Baseband is not the operating frequency. Its the text you see when you go to Settings > About>Baseband. Please provide that value
Have you confirmed with Straight talk that your account is configured correctly for data and the sim is a newer sim ? Also try the sim in some other phone to see if you get data there.

APN settings. Not Receiving MMS

I have been looking everywhere and I can't get a clear answer, or current, on what the newest T-mobile APN settings are.
The one that my phone is using, with my new T-Mobile service, is:
Name: T-Mobile US LTE
APN: fast.t-mobile.com
proxy: not set
port: not set
user: not set
pass: not set
server: not set
MMSC: http://mms.msg.eng.t-mobile.com/mms/wapenc
MMS Proxy: Not set
MMS Port: not set
MCC: 410
MNC: 260
Auth: none
APN type: default,mms,supl
APN: protocol: IPv6
APN Roaming: IPv4
Bearer: unspecified
MVNO: None
When I get an MMS, it just gives me the option to download the msg, but never actually does.
Anyone have any idea?
Thanks
Ed Murray said:
I have been looking everywhere and I can't get a clear answer, or current, on what the newest T-mobile APN settings are.
The one that my phone is using, with my new T-Mobile service, is:
Name: T-Mobile US LTE
APN: fast.t-mobile.com
proxy: not set
port: not set
user: not set
pass: not set
server: not set
MMSC: http://mms.msg.eng.t-mobile.com/mms/wapenc
MMS Proxy: Not set
MMS Port: not set
MCC: 410
MNC: 260
Auth: none
APN type: default,mms,supl
APN: protocol: IPv6
APN Roaming: IPv4
Bearer: unspecified
MVNO: None
When I get an MMS, it just gives me the option to download the msg, but never actually does.
Anyone have any idea?
Thanks
Click to expand...
Click to collapse
that is my settings also, now if ur using a different rom, from the N9005.. I get that message and its due to the message size, tmobile has 1mb download and overseas rom has 300mb, so if someone is send a pic that is too big, u won't receive it..
I jump around from different roms, and sometimes I get that when the pic is too big...
but if ur on a tmobile rom, u should not get that message..
mine
Sent from my SM-N900T using XDA Premium 4 mobile app
Thanks for posting your settings.
So I'm glad I left my straight talk service active. After I left my house's wifi connection and drive one hour to work I found out that not one area within 1 hour of my home gets ANY t-mobile service. All I can connect to is AT&T, and with NO data services, since I'm roaming,
I switched to T-Mobile to take advantage of the Wifi Calling feature on my Note 3 N900T (Factory Unlocked). It works awesome, and is just what I need, since all I can get at my home is Verizon, sadly.
Anyhow, I'm going to give up on T-Mobile and go back to Straight Talk AT&T LTE and just live with not being able to Make or Receive calls on my Cell at home. It would be nice if AT&T would support this feature.
Does anyone know of a good WIFI calling service that integrates into your phone well? Without getting another number assigned to your phone, like most of the services (apps) on Google Play do.
Thanks.

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