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Lost mobile phone signal after software update

(Topic created on: 03-02-2023 09:28 AM)
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StevieDeavs
Journeyman
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Anyone else had their Note20 unable to find a mobile network signal after the last security update?

Every since the update, my phone cannot find any mobile phone signals. Been through all the troubleshooting (SIM is recoginised by the phone - I can WiFi call on the network for example), done all the resets including factory and nothing. 

Samsung experts can't help except to say it's been referred to developers and I can't get a "repair" as phone is out of warranty and it's not physically damaged - there's not a scratch on it.

Any ideas / suggestions / experiencing the same issue and fixed it (please!).

My phone is useless now unless I'm somewhere with decent wifi.



































13 REPLIES 13
LushMelody
Explorer
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This isn't a new issue... Check this thread to:

Galaxy Note 20 5G not connecting to mobile network after One UI 5.1 update 

There are also a lot of issue variations. Mine can't find cell service after disconnecting from Wi-Fi, but it's an intermittent issue. I have sh*t service where I live too (I get 🚫 inside my apartment), so I have to go a few blocks away to even see if this time it'll connect fine or be unable to figure it's life out... This usually means I have to get in my car, evening ready, and pull over to fix it after I realize my phone doesn't have signal.

My temp fix (until I disconnect from Wi-Fi again):

Settings > Connections > Mobile Networks > Network Operators

Turn off "Select Automatically" and select your carriers service. Once you get "Registered On Network" successfully, go back into "Network Operators" and turn back on "Select Automatically".

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puret
First Poster
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My phone was same wifi calling was fine no issues..now just had new phone update and hey presto my phone signal is working again ..its been weeks including factory reset ect ..Samsung will never own up to it ..
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cKBoy
Apprentice
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Did they fix it for free?  They wanted to charge me to fix my phone since it is outside of the warranty period, but the problem was due to their push firmware that was faulty so why do we need to pay to fix it?

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StevieDeavs
Journeyman
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Yes, but it took some arguing - I was also out of warranty but only by a month or so. I also leaned heavily on the fact that if was their update which broke it. There's more evidence on these threads now of similar issues so you should have a good chance. I also took the tack that they could either repair, or roll back the update (which they can't see easily). In the end they gave in. Good luck!
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