25-01-2025 09:52 PM - modificato 25-01-2025 09:54 PM
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Hi Community,
I have updated my samsung galaxy note 20 ultra since then I have a problem with the network operator selection, mobile phone unable to find network. Tried to reset network settings, try to add access points, tried changing network operator selection but did not work. Same SIM car is working on iPhone no it seems it's not a sim card problem.
Some how I can't turn off network operator selection to manuall and getting error . Could someone guide me here ?
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25-01-2025 10:11 PM - modificato 25-01-2025 10:11 PM
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1. Check for Software UpdatesGo to Settings > Software update > Download and install.Make sure your phone is running the latest software version, as updates often fix network-related bugs.2. Verify Network Mode SettingsGo to Settings > Connections > Mobile Networks > Network Mode.Ensure it is set to LTE/3G/2G (Auto connect) or 5G/LTE/3G/2G (Auto connect) depending on your carrier.3. Reboot into Safe ModeRestart your phone in Safe Mode to see if a third-party app is interfering with network settings.Turn off your phone.Turn it back on while holding the Volume Down button until the Samsung logo appears.In Safe Mode, try selecting the network operator manually again.If it works, an app might be causing the problem. Uninstall recently installed or suspicious apps.4. Reset APN SettingsGo to Settings > Connections > Mobile Networks > Access Point Names.Tap the three dots in the top right corner and select Reset to Default.If your carrier requires specific APN settings, enter them manually.5. Force Manual Network SelectionOpen the Phone app and dial *#*#4636#*#* to access the testing menu (if available on your device).Go to Phone Information > Set Preferred Network Type.Try selecting LTE only or the appropriate network type.6. Check SIM Card and SIM SlotEnsure the SIM card is seated properly in the slot.Try inserting the SIM card into the other SIM slot if your phone has dual SIM support.7. Factory Reset (Last Resort)If nothing works, back up your data and perform a factory reset:Go to Settings > General management > Reset > Factory data reset.After resetting, check if the problem is resolved before restoring your apps or settings.8. Contact Samsung or CarrierIf the issue persists, it could be a hardware problem or a bug specific to your phone’s firmware version.Contact Samsung Support or your network carrier for further assistance.
Let me know if any of these steps help!
4o
in data 31-01-2025 06:03 PM
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Hello! I have the exactly same problem, working perfect before the last update and then no network after the update, it is frustating , i am now some hours trying to resetint it many times but not lucky.
in data 05-03-2025 11:16 PM
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in data 22-04-2025 05:02 PM
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Hi,
I have the same problem it does not register to the 3 Denmark network. My software is up-to-date ir is a Galaxy Note20 Ultra 5G
Do you have solutions?
in data 22-04-2025 05:03 PM
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Hi,
I have the same problem it does not register to the 3 Denmark network. My software is up-to-date ir is a Galaxy Note20 Ultra 5G
Do you have solutions?
in data 04-05-2025 12:04 PM
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i have the same issue with with s21 ultra after update of one ui 6.1 . it complete broke the network. use different sim cards with different network it does not work even same sim cards with other handset perfectly working fine . did all the settings for reset and all still does not work .
Just for the clarification nothing problem with network provider it is with samsung software as i travelled to different continent and its the same issue with their sim cards and same sim cards are working on other handsets . so it does problem with samsung software. we must need the immediate resolutions. @samsungsupport team look this matter urgently .
2 settimane fa - ultima modifica 2 settimane fa
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Hello Samsung, Pl helpppppppppppp,
My samsung note 20 Ultra 5g , single sim tray was working extremely good since last 1 year. After recent update on 28 april, 2025 broke the network badly. I am facing a trouble for using this phone..Please help. send a remedy, update or do anything to make the beautiful phone work again. Otherwise i'll have to go back to my note10, 5g....which is downgrade. help help help. I am using AIRTEL sim and got it changed as well. did factory reset..nothing works. pl resolve immediately. Thank you for your support. I have been using note series since its inception..you can imagine how much I love NOTE series. SM-N986N is the model name. Thanks again. Godspeed!
2 settimane fa - ultima modifica 2 settimane fa
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..If I switch to mannual selection of network. it shows the service providers which are available. but unable to select as it doesn't connect. just more info..
una settimana fa
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Also have the same problem with the same model. I tried turning airplane mode on and off, but it sometimes works and sometimes doesn't. Please help 😞

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