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[Guide] AT&T, APNs, MMS, and 4G LTE

AT&T 4G LTE APN Settings for Android Galaxy HTC. AT&T 4G LTE Internet and MMS APN Settings for Android Samsung Galaxy S9 S8 S7 S3 S4 S5 S6 Tab Note Edge J7 Prime HTC One Desire Nexus 5 6 Xperia LG G3 G4 G5 Sony Xperia WiFi Dongle. Name: ATT Phone APN: NXTGENPHONE (or). How to Update data Settings Web Content Viewer (JSR 286). Text APN to 611611 OR. † To get 4G LTE speed, you must have a 4G LTE capable device and 4G LTE SIM. Please try below APN setting configurations, AT&T Internet and MMS APN settings, ATT Phone, ATT WAP, Cingular 380 ATT, For unlocked non AT&T devices, Net 10 ATT 4G LTE, Net 10 via AT&T, Net 10 via AT&T Tracfone, Straight Talk for AT&T one by one to get the correct APN settings applied to your device on AT&T.

I had a bit of an adventure getting this to work, so I thought I'd share the process. I'm making some assumptions here regarding which APNs are the correct ones, but you should get the general idea. You can Google for 'AT&T APN settings' to check which one you are supposed to use.

TL;DR -- If you are getting no service on the LTE APN, it is possible that it is not your APN that is wrong, but rather that AT&T has not enabled LTE for your OnePlus One.

APN Settings:

Check your APN settings. My OPO by default was set to 'ATT LTE' (pta), which did not work at all. I later changed it to 'ATT' (wap.cingular), which worked somewhat but MMS didn't work. I then tried 'ATT Phone' (phone) which worked for everything, except that I could not get any network better than HSPA+ (shown as H+ in status bar), despite theoretically having LTE service.

At&t 4g Cities

At this point, you should make sure you are actually in an area with LTE service before you freak out.

After double checking against numerous websites, I eventually found some posts indicating that AT&T doesn't actually recognize OnePlus Ones the way they automatically recognize more common phones, and for this reason they do not give it the privileges of a 4G device.

Checking if your phone has 4G LTE on the myAT&T website:

Mp3 audio songs. Log in at: https://www.att.com/olam/loginAction.olamexecute

Under the top navigation, go to myAT&T -> Wireless -> View My Plan and Features

You should see a list of all the devices your account. Under each, you'll see what kind of service the phone is getting. For example, one of the devices on my account is a 'Samsung Galaxy S 4', and the service it has is 'Mobile Share Value Smartphone with 4G LTE with Visual Voicemail'. (I don't know what Visual Voicemail is either, for the record)

Your OPO will likely show up as an 'Unknown Device'. Check what type of service it's getting. If it says 'Mobile Share Value Smartphone' without the 'with 4G LTE' part, then the problem is that your phone is not properly recognized on AT&T's end.

Calling AT&T:

At this point, you should call AT&T. Use either a different phone or something like the (free) Google Hangouts dialer in Gmail so that you can restart your OPO without interrupting the call. Emphasis on calling, the people at the store and in online chat were unable to help me with this.

Make sure you are in an area with LTE service so that you can confirm whether it gets fixed or not.

Tell them what you know so far. For me, it was that:

1. I bought a 3rd party phone that AT&T does not recognize (OnePlus One)

2. That I could use the APN settings for 'ATT Phone' and only get HSPA+

3. That the APN setting of 'ATT LTE' did not work

4. myAT&T did not recognize my device as having 4G LTE.

The AT&T rep will (or should) check and find out that indeed, your phone is not set up for LTE. They will then do some magic and ask you to restart your phone. Once you do this you should switch your APN to 'ATT LTE' and see if you are getting the 'LTE' icon.

You can then run the Speedtest app, or use some other method to check if you are getting the correct speeds, but you should be good to go.

Here are the US AT&T 4G/LTE APN settings for the M2. I have tested this on my M2-802L and it all appears to work. Note that incorrect APN settings not only affect MMS send/receive, but also your cellular data connection as a whole.
Those who are not AT&T subscribers, or are not on the AT&T network, may cheerfully ignore this thread.
The APN settings can be found in your 'Settings -> Wireless & Networks -> More.. -> Mobile Network -> Access Point Names' item.

• Touch the 'Access Point Names' item to open up the 'APNs' screen.
• In the 'APNs' screen, touch the 'Menu' burger on the bottom of the screen.
• In the dialog box that opens up, select the 'New APN' option. This brings up the 'Edit access point' screen where you can enter the details of the new APN.
• Enter the following details in the 'Edit access point' screen (make sure that everything in bold green below is entered exactly as shown):
  • Name =Nxtgenphone
  • APN =Nxtgenphone
  • Proxy = Not set
  • Username = Not set
  • Server = Not set
  • MMSC =http://mmsc.mobile.att.net
  • MMS Proxy =proxy.mobile.att.net
  • MMS Port =80
  • MCC = 310
  • MNC =410
  • Authentication Type = Not set
  • APN type =default, mms, supl, hipri
  • APN protocol =IPv4
  • APN roaming protocol = IPv4
  • Bearer = Unspecified
  • MVNO type = None
• Verify everything that you have entered above one more time.
• Press the 'Save' button in the menu bar at the bottom of the screen. At this point you should be taken back to the 'APNs' screen.
• On the 'APNs' screen, press the circle to the left of the new 'Nxtgenphone' APN you just created. This should activate the APN. WARNING: DO NOT ACTIVATE THIS APN IF YOU ARE NOT ON THE AT&T NETWORK OR ARE NOT AN AT&T SUBSCRIBER!

Happy data trails