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Help No 3g/4g

G

Gimpy8877

Lurker
Bought the S3 and love it, except my 4g/3g radio is not working. I called ATT support and they had me go through and turn it off an on and restart the phone several times. They put in an additional support ticket due for 7/31. No call back yet though. Any Ideas? The phone works fine for calls and texts, and it works fine over WiFi. I dispatch calls for my work and it is hard to do only at locations with WiFi so any help is appreciated.
 
Mobile Data is definitely on and there is no data limit shutting off your radios? So you have no 3G/4G icon in your status bar? Just the regular blue bars?

Try Settings > Data Usage and make sure that mobile data is on and you don't have a data limit set.

Report back and we can go from there!
 
Stigy said:
Mobile Data is definitely on and there is no data limit shutting off your radios? So you have no 3G/4G icon in your status bar? Just the regular blue bars?

Try Settings > Data Usage and make sure that mobile data is on and you don't have a data limit set.

Report back and we can go from there!
Click to expand...

Mobile data is on and no cap is set, the 3/g 4/g icon has never appeared. Once i get out of range of wifi the only icons that show up are battery/alarm/signal strength.
 
Are you roaming? Sometimes if you are the Data Roaming checkbox isn't checked and data won't turn on.

Did this SIM work in another device?
 
Shouldnt be roaming, im in chicago so lots of coverage. I tried turning it on just in case but no luck. It is a fresh SIM came with the phone. My old phone was a Iphone 3gs.
 
Gimpy8877 said:
Shouldnt be roaming, im in chicago so lots of coverage. I tried turning it on just in case but no luck. It is a fresh SIM came with the phone. My old phone was a Iphone 3gs.
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This is going to be a stupid question, but there is a data plan tied to that phone correct?

Also have you tried getting the SIM replaced or trying that SIM in another phone to see if its bad or not?
 
Yeah i confirmed there is a data plan tied to the phone, I dont have any other phone to test besides my wifes iphone and shes at work.
 
Gimpy8877 said:
Yeah i confirmed there is a data plan tied to the phone, I dont have any other phone to test besides my wifes iphone and shes at work.
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The SIM is my best guess as to why there is no data.

If all of the options above are checked and Data Roaming is on (just in case) and you have a data plan on your account it sounds like a bad SIM.

Let us know if the SIM works in another device and that should help us get our answer. If it does work in another device, I would still try to get a replacement, but it at least gives us some more info to work with.

Hopefully we can get this sorted out for you.
 
Gimpy8877 said:
Ok, Thanks for the help. Wish there was an ATT store in walking distance :/
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No problem - just trying to help people get their issues solved.

A store in walking distance would make things easier - best of luck tonight and report back. Let's get this figured out!
 
k so i flashed a s3 to page plus. 2 problems. no 3g and mms come from the number on the sim. anyone know how to fix this? Everyhting works great on the phone but ssslllllooooooowwwwww!!
 
Well, I've scoured the net for every tip I could find, and nothing's worked. Guess I'll have to go to the AT&T store first chance I get. I believe I've got an incomplete SIM setup or something.
 
sounds like you may still have your iphone data plan on there... ive seen it happen before on att. call them back and have them verify that its a 4g data plan, not the old iphone one.
 
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