Original topic:

S25 Ultra Wifi Problems

(Post creation time:  

09-21-2026 06:48 PM

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Amtrakacela75

Cosmic Ray

last edited

 

09-21-2026 06:48 PM

 

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I keep having problems this last past week with WiFi saying there is no Internet even though the rest of my home devices have Internet, on top of when I do have connection it's very very slow and almost unusable at times. I do not know what the problem is, I have already tried resetting the wireless settings but that haven't fixed anything unsure if I need to take my phone in to be looked at.
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      AAbbott

      Honored Contributor

      09-21-2026 06:56 PM

       

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      Did you have an update?  Download any apps?  Change any settings (even if unrelated to wi-fi)?  Did you run a diagnostic on your phone?

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      Amtrakacela75

      Cosmic Ray

      09-22-2026 12:21 AM

       

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      I haven't changed anything that I could think would effect it and tried resetting my wifi settings to see if it would fix it but it's still doing it. I ran a diagnostic with the members app but unsure if it detected a problem because it just said it was fine

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      SamsungMod

      Community Manager

      09-21-2026 07:29 PM

       

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      Hello Amtrakacela75, we understand how frustrating this must be for you and would be happy to help. If your Galaxy device appears to be unable to connect to Wi-Fi or unable to detect available Wi-Fi networks, the issue may be caused by an incorrect password, temporary software errors, router problems, or network settings.
       
      Follow all steps in the troubleshooting guide to help restore Wi-Fi connections to your device: Wi-Fi connection issues on a Samsung Galaxy device
       
      Please let me know if you need further assistance. 

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      Amtrakacela75

      Cosmic Ray

      09-24-2026 06:21 AM

       

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      Why don't you make better products?

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      FAUguy

      Comet

      09-22-2026 06:12 AM

       

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      Go to Settings, Developer Options (at the bottom), then at the Developer option go down to the bottom where it says More Settings, enable WiFi safe mode. That has been the only way I can get full 1200 mbps wifi download speed.
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      FAUguy

      Comet

      09-24-2026 06:25 AM

       

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      Which band are you connecting to? If using the 6ghz try the 5ghz

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      Amtrakacela75

      Cosmic Ray

      09-24-2026 06:33 AM

       

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      It keeps saying 6 on my phone but I turned off the 6ghz and only had 5ghz and it's fast for a moment but now it's back to being extremely slow. I did a speed test on one site and it was saying I'm loosing packets I'm still not sure if the issue is with Verizon FiOS because I have had issues before with them

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      FAUguy

      Comet

      09-24-2026 06:35 AM

       

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      I would say try other wifi networks (friends/work) that isn't using Verizon FiOS and see if it has issues. If it doesn't, then it's either the provider or something with the router. If you can get another router to swap that is one way to troubleshoot

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      AAbbott

      Honored Contributor

      09-22-2026 02:15 PM

       

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      To expand on what @FAUguy mentioned, your mileage may vary and may or may not help your particular situation, but it won't hurt anything to try (as long as you remember the setting to change it back if it doesn't work.  If you don't already have developer options enabled on your phone, here's how to enable it:

      Open settings, go to about phone/software information.  Find "build number" and tap on that 7-10 times (you will get a "toast" telling you how many taps you have left and when the mode is enabled).  After enabling developer options, go back to settings, and the developer options should appear just below "about phone" as the last settings item.  If it's not there, back out of the settings, and re-enter them.    Be aware, though, that you should not go playing around in the options unless you absolutely know what you are doing and only if someone tells you a specific setting to change. Change only one setting at a time and remember what it was, so you can reverse it if it doesn't solve your issue (and so you know which one was the solution).