
New Member
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9 Messages
Phone won't make or receive calls
Hi, so phone won't make or receive calls but is fine with texts and internet and the rest of everything.
The bills paid
Not in airplane mode
Tried restarting
Tried airplane mode then deactivating
Removed Apps that could be fishy
Cleared my internet info
And finally just went and factory reset my phone.
And still will not make calls.
I've tried businesses and friends but just get the "can't connect" with beep beep beep beep.
My husband and kid s both have functioning phones. However my mother in law is having the same issue on her iPhone through atnt and I have a Samsung... so... what's going on? Just started yesterday.
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Official Solution
ATTHelp
Community Support
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214.9K Messages
1 year ago
Our apologies for the delayed response, @SaneTezz.
It appears your unlocked Samsung Galaxy A51 is no longer compatible with the AT&T network.
We encourage you to visit our device web portal and follow the steps to redeem your free device:
Let us know if you require additional assistance, and we'll step right in to help!
Sydne, AT&T Community Specialist
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Accepted Solution
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ATTTimCS
Employee
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374 Messages
1 year ago
Hello Community,
We have been reading through this thread, and appreciate the feedback and comments included. We also want to thank all the posters who have been jumping in and trying to help answer questions and provide support.
There is a lot of great information included in this thread, but we wanted to make sure one troubleshooting step was called out, so it isn’t missed.
To Resolve:
Once complete, please ensure you power your phone off and back on to establish a fresh connection with the network.
Thanks everyone, and please let us know if we can assist further.
Tim, AT&T Community Specialist
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centaurus3200
New Member
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211 Messages
1 year ago
Hey all, read this thread. Basically skip to the end to get all the info on flashing the correct Android 12 firmware for THE GALAXY S10.
If you have another phone... Same idea. Find the correct firmware and download Odin... Flash it yourself.
The issue with unlocked U1 galaxy phones is the stock firmware does not have ATT CSC files. they are custom for VOLTE.
U1 phones have no carrier files. So you basically have to flash the U version of the firmware.
https://forums.att.com/conversations/samsung/phone-cannot-make-or-receive-calls/6216dd5c87306e2032e14d9e?commentId=622e36073c3dbc77d9635266
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Timbeh0617
New Member
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53 Messages
1 year ago
What is the model of your Samsung phone and your miles Apple device?
AT&T shut down 3g service and that could be the cause.
Here's the whitelist of phones that should still work.
Whitelist
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blkopns
New Member
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9 Messages
1 year ago
I have same issue with my Galaxy Note 10+ 5G. Suddenly started last night or this morning. If its not phone issue or AT&T, its gotta be Russian hackers ;-), but still need it fixed.
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SaneTezz
New Member
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9 Messages
1 year ago
Yeah sadly that's not the issue. I have a Samsung galaxy a51 5g so it's still good.
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Timbeh0617
New Member
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53 Messages
1 year ago
I would go to the closest store and get a new SIM card and see if that fixes your issue. Other than having a att network reset done on the phone, can't think of anything else that would be causing it since billing is good.
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Timbeh0617
New Member
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53 Messages
1 year ago
@blkopns
What's the exact model number for your phone? Is it unlocked or AT&T branded?
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SaneTezz
New Member
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9 Messages
1 year ago
It's sm-a516u and it's unlocked originally sprint.
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Timbeh0617
New Member
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53 Messages
1 year ago
@SaneTezz
Did you buy it unlocked and put it on sprint? Based on the list, yours should work if that's the full model # from the phone. So yea I would try a store and a new sim card and see if that works
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