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What is happening with 3G?

New Member


1 Message

Wed, Sep 16, 2020 11:39 PM

Phone doesn't ring when someone calls me, outgoing calls don't connect 3-4 times until they do

I have a Samsung Galaxy S8+. I've been using a prepaid multiline account for about a year now and all was fine until a few weeks ago.

When other people call me, they go to voicemail almost immediately 90% of the time. When I call other people, I don't hear anything at all, including that initial beep that lets you know you're connected. I have to retry a couple of times to get it to call someone.


I know it's not an issue with the region's signal since my friend in the other room is connected and fine. I also have no issues with data or text messages. I get 4G data all the time. I'm not in 'Emergency calls only' mode.


I have tried a power cycle, taking the SIM card out and cleaning it.

Do not disturb mode is OFF.

Airplane mode is OFF.

Calls aren't blocked.

When I go to check call forwarding at Supplementary services per the troubleshooter, It says:

Failed to read data

Something went wrong, Check your SIM card or network connection and try again.

I have to explain to everyone why I'm not returning their calls.


Community Support


176.1K Messages

1 y ago

Thank you for reaching out @superboy2011.


We understand and want to help with your PREPAID call connectivity with your Samsung Galaxy S8+.


Please try our phone call troubleshooting tool after changing to your device type. You may also sign-in for a more personalized diagnostic.


Let us know how this helps.


Vincent, AT&T Community Specialist



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