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Poor signal/reception after updating to UI 7

(Topic created on: 08-05-2025 08:34 PM)
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Members_U9C5f7h
Apprentice
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Hi everyone, after upgrading to One UI 7 I am facing severe issues with my signal/reception in one of my two Sims, although I had no issue before.

 

I have practically no signal and this is very frustrating as I cannot communicate with my home country.

 

It seems that this is becoming a common issue, at least for S23, as there is already a relevant thread in reddit: https://www.reddit.com/r/oneui/comments/1kgspys/mobile_network_performance_after_one_ui_7/

 

Any thoughts on that?

 

Many thanks!

33 REPLIES 33
simonhardcastle
First Poster
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Thanks for the heads up concerning pixel and wifi as that was probably my first alternative. I saw an interesting post on Reddit (which, naturally, I can't find now) that discussed the differences between the 2 chipsets that Samsung use in their phones worldwide suggesting some differences in how they roam. Personally, I think it's something to do with how Samsung/Android deal with roaming. My wife's iPhone seems much happier to jump from one provider to another, while my Galaxy S23 will refuse to swap even when I try to force it. We are both with the same network provider (Vodafone UK).
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Members_eJ8zqrA
Student
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He's not the only one. Don't overlook this please. Ever since beginning of May; emergency calls only, from 5G to 3G, no service, service on 5G and full reception bars and yet nothing loads, social media videos buffer and don't load - I scroll down - and the following video works and buffers again. It's a never ending cycle. No matter the location. NO MATTER THE SERVICE PROVIDER! I have terminated my service, paid my 150euro fines, switched providers, and remained with the same problem. Ever since the update mind you! Please, fix this problem. Do another update or smth. Fix this bug cause I can't function. I cant use it for work. I can't contact my family in case of an emergency. I'm paying my phone bill for practically nothing. EVEN ON WIFI IT BUFFERS! But mainly on data. So please, help us out Samsung - sincerely, your loyal customers.

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Members_eJ8zqrA
Student
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Yeah it doesn't work. Nothing works. I work in telecom. It doesnt work. Reset APN Settings. Flight mode on and off after 3 secs. Factor Reset. Restart phone. Replace physical sim card. Place it from sim 1 to sim 2. Replace it to eSIM. Switch service providers. NOTHING WORKS. You're not crazy, man. It's not bloody working and it's been like this since May. If you have found a solution to this, please let me know. Before I buy a bloody iPhone like gen z or whatever.

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Silscruse
First Poster
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Could you work something out to fix this, or does someome know a solution? I'm facing the same issue 

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