1 Message
NO SIM after samsung update
Updated my A52 phone with the new Samsung software update on 10/14 and after the phone restarted my phone is reading NO SIM...unable to make phone calls/text messages/use data...went by the At&t store and they replaced the sim card twice. They confirmed its working and the sim card is being read by the device. I'm just not able to link to the network. Any ideas people? Thanks again
formerlyknownas
ACE - Sage
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117.5K Messages
7 months ago
That's odd for sure. You can go through Samsung for a warranty replacement if it's been under 1 year since date of purchase.
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FL_Guy
1 Message
7 months ago
Similar problem - started after October update - Samsung Note 20 Ultra. It started right after the update. Restarting the phone helps temporarily, so doesn't seem likely a SIM or phone problem.
(edited)
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ATTHelp
Community Support
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232.1K Messages
7 months ago
Hello @BigZach1986, thank you for reaching out to AT&T Community Forums. We'll be happy to help you.
To answer your question, we suggest you to please take the Sim out of the device and insert it back. And try to reset you network in the Samsung device and let us know if the same thing repeats.
Reset network settings
If you are having connectivity issues, you can try resetting your network settings. Swipe down from the Notification bar, then select the
Settings icon > scroll to and select General management > Reset > select Reset network settings > Reset settings > select Reset to confirm.
Note: Resetting your network settings deletes previously associated Wi-Fi networks, security passcodes, Bluetooth devices and cellular network data settings.
If you have any further questions, always feel free to reach out to us here.
Thank you for contacting AT&T Community Forums,
Mike, AT&T Community Specialist
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ATTHelp
Community Support
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232.1K Messages
7 months ago
Hey there! Having SIM issues on your device can be distressing, and we are here to help you with the information you need.
Like mentioned above, you can try resetting your network settings on your Samsung Galaxy Note Ultra 20 by following the steps given below:
You can also try removing and re-inserting the SIM card.
Additionally, if the steps mentioned above do not help, you can also try our Device Support tool for troubleshooting steps, personalized for your device with real-time diagnostics.
Please try these steps, and let us know if you need further assistance.
Let us know if this information helps, and thank you for visiting AT&T Community Forums!
MikeN, AT&T Community Specialist.
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