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

(Topic created on: 19-02-2024 09:14 PM)
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lg04
First Poster
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Hi, I have a Galaxy Note 20 Ultra 5G mobile and recently got an update to One UI 5.1. Ever since the update, I haven’t been able to connect to my mobile network. Everything was working before the update. I have tried a number of things to get it working including another SIM card, resetting the network settings, wiping the device partition cache and factory resetting the phone. None of these fixed the issue. I know the issue is with the phone update and not the SIM as the the SIM works in other phones. Is there any other fix or workaround available ? Is anyone else having the same issue ?

53 REPLIES 53
LushMelody
Explorer
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Unfortunately, it's not. There might be a way around the block, but it's definitely near expert/developer level. Because of that, I can't, in good conscience, post information like that as a recommendation.

I have no idea how brentw1 has gotten it to work... If that's accurate.

"Samsung has removed the band selection screen from public access in their firmware June 1 2022 security patch. That means the Samsung Band Selection app "Launch band selection" will no longer work on devices with this firmware version or newer." 

Saad Altaf
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Same issue....one UI 5.1 updated on 21st march 2024

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pkrupa
Explorer
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So sad what Samsung has done to us loyal users.

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Jamila
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My phone did the update on 4/16 i tried a new sim the e sim went to 2 different samsung providers and no luck this is awful they need to fix this issue

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