I’ve been experiencing an issue with my Galaxy S23 related to Wi-Fi connectivity. The phone often disconnects randomly from my Wi-Fi network, even when the signal strength is strong. Sometimes it reconnects on its own, but other times I have to manually toggle Wi-Fi off and on.
I’ve already tried the following:
Restarted my phone and router
Forgetting and reconnecting to the Wi-Fi network
Resetting network settings
Unfortunately, the issue still persists. Has anyone else faced a similar problem on the Galaxy S23? If so, what worked for you?
Any suggestions or solutions from the community or moderators would be greatly appreciated.
The signal strength may be strong but it says nothing about channel congestion/interference due to the limited channels on 2.4GHz and 5GHz. There's an app on the Google App Store called wifi analyzer that has a free mode with not intrusive ads that lets you see the channel usage visually, also on 6GHz. Where I am right now all 14 of the 2.4GHz channels are in use by 13 SSIDs, since all have signals that cover multiple consecutive channels the band is fully occupied. It's the same on 5GHz.
I did some things to compensate a little, I moved all my access points (APs) into my concrete framed basement so that the "line of sight" path to them has little chance of interfering stations if beam-forming is used. I have four APs, so I set them all to maximum transmit power and disabled auto channel selection and fixed the 2.4GHz channels on consecutive three channel steps, one each on channel 1, 4, 7 and 10. This means their wide band signals slightly overlap but prevents them "hunting" for a dip in the noise. In wifi analyzer I can see all the external ones channel hopping, some perhaps going on and off-line but more likely changing transmit power level based on usage. I also disabled auto channel selection on 5GHz but didn't overlap my AP channels with each other, instead I reduced the channel bit-rate of each from as much as 2.4Gbps all to 600Mbps. They are all now very narrow bandwidth, higher peak SSIDs than almost all the others using the same channels. Although my ISP claims I have a 1Gbps connection (what use is 2.4Gbps or 1.2GBps wifi anyway), congestion means the Internet connection rarely has a usable data rate higher than 500Mbps and 600Mbps covers it and is more than fast enough for excellent performance connecting to my home systems. I rarely stream video but have had no problems with YouTube and Paramount.
Where I live (concrete basements with cookie cutter wood frame/panel upstairs), almost everyone would get better wifi channel usage and less interference from neighbors if they put their APs in their basements.
For the record and unrelated to the OP, the reason I use 4 APs is so that all my IOT smart light bulbs, Amazon Alexa devices and home appliances with wifi are all on their own IP network, with no access to my work and personal computers. That's probably excessive, but I have low trust for random Chinese smart light bulbs on my main IP networks, especially having watched their network traffic when not being operated.
I should note I studied electronics and have worked in multiple forms of professional and amateur radio transmission. My decisions above were based on my experience in radio operations. They are appropriate for my type of home but won't be suitable for all.
I was thinking what I would do with an AP if I lived in an apartment. This also won't be suitable for all but it's worth saying in case it helps anyone.
First, I'd use one AP, not my current four (though most APs work best with no more than seven to fifteen devices connected via wifi). I was thinking that there is probably an AP in an apartment above and below mine and posssibly on two or more in apartments on my floor. As long as there is no exposure to rainwater from a leaky window or serios sun exposure I'd put my AP on the window ledge for the window with the view of the least number of other apartments in the same building with the AP facing into the apartment. Alternatively, if the apartment had a corner where two building walls meet so that there is no adjacent apartment behind each wall at the corner where those walls meet I'd put the AP in that corner facing into the home at an angle that splits the corner equally (probably 45 degrees from each wall). I'd let the AP automatically switch channels. But the point would be that either location is the place I would expect the least interference with other APs (there could be none directly behind it for a reasonable distance) and beam forming wifi protols would improve that further. On 5GHz I'd limit throughput to match my Internet performance to get narrower frequency bands for my SSID whatever others are doing. Again, it couldn't work for every case but it's a decent way to start individual thinking about minimizing interference from the APs in other apartments in the same building as your apartment.
