S8+ does not reconnect to WiFi when screen is off - Samsung Galaxy S8+ Questions & Answers

This seems to be an issue on other android phones as well but none of the treads on google have found a solution.
I'm not even sure this is a flaw, might be like this by design...
Whenever I come home with my WiFi turned on, the phone will not connect until the moment I turn the screen on.
It never disconnects when it is already connected.
WiFi always on is turned on. I do not use data.
Running Oreo but same thing happens in Pie.
Anyone willing to test whether theirs acts the same? Any solutions?
Thanks!

Related

Wifi issue with Bluetooth headset being used

I had been having trouble with the wifi on the infuse since I got it. I would be connected but have no surf. At first I thought it was the router but I ruled that out by trying 4 different brand and several security settings.
I then noticed what seemed to be the problem. When I'm on the phone and using my bluetooth headset I would lose connection on the wifi. It would still show me connected to the wifi but I wouldnt have surf. The second I turned the bluetooth headset off, what ever page I was trying to load would come up. I tried this serveral times so I know its not my imagination.
Anyone else seen this issue? Btw its a motorola H790

Wifi drops in/out since Lollipop update?

Wifi working fine on laptop and wifes phone. I noticed that mine was dropping in and out since I updated to Lollipop on my Xperia Z3 two weeks ago. Today,its really bad-wifi icon displays for about 10 seconds then drops out for about 10,then comes in again etc. Reset the router, changed channel, no joy. Anyone else experience this?Anyone got a fix?
Tried deactivating stamina?
Yep, it's deactivated. Still doesn't fix it. It's very annoying. Only noticed it since Lollipop update. Anything else I can try?
EDIT-Just been reading online that baby monitors may interfere with wifi.......I've 2 baby monitors for my toddler and newborn......would this be causing my wifi to drop in and out???I've tried all 13 channels on my Sky broadband router but no luck....
My wifi drops in/out when the signal is poor so it may be related to the babyphones?
I've turned the 2 baby monitors off and wifi on z3 still dropping in and out. What next?? Is my phone damaged?
toby2111 said:
I've turned the 2 baby monitors off and wifi on z3 still dropping in and out. What next?? Is my phone damaged?
Click to expand...
Click to collapse
Try safe mode (Long press the power button, then long press the power off button onscreen, click ok) and see if the problem persists.
Have you tried different routers? Have you tried turning laptop/wife's phone into a hotspot and connecting to that? Get an app like wifi analyser and see it looks like your wifi is acting normal there. Is wifi turning off or is it just disconnecting from the router (the icon might be misleading).
It's staying on now in safe mode, thanks! But why is that happening? I did a factory reset as I thought phone was broken! Pity, I should have waited for your advice!
Edit, unstable again. Coming in and out.
Tried again this morning in safe mode. Problem still there. Wifi turns on then icon goes off and it searches and connects again. Then goes off etc. I downloaded wifi analyser but don't know what to do now?? I'm not very tech minded.
I'll look up how to turn laptop into hotspot. Thanks for your help so far.
PS -I just remembered that the Bluetooth on the phone kept connecting and disconnecting in my car this week.... Would that have anything to do with the wifi issue?
EDIT- downloaded virtual router plus to use laptop as hotspot-problem still there,connecting then disconnecting. Is the phone broken?

Oneplus one: Connected but, no internet

Hello everybody,
I am using an oneplus one running cm-13.0-20160316-SNAPSHOT-ZNH0EAO1QB-bacon and the kernel provided by cyanogen, and I am using xposed. My wifi had been working fine all day but when I went to work and got back I had the following problems: It would connect just fine but there would be an exclamation mark besides the wifi-logo on the statusbar. And inside the wifi-settings there would be text under the wifi I was connected with, stating: Connected, but no internet. This is what I tried up untill now:
-Turning modem/router on and off
-"Rebooting" my TP-link modem using their website
-Switching to cm-nightlies
-Switched to an older lollipop backup
-After that I dirty-flashed the stable cm13 release without installing xposed
I heard some people on the internet saying that there could be a problem with my kernel, but I haven't tried anything with that yet. My worst fear is that it would be a hardware problem related to the fact that I led my phone fall about two months ago. My screen had to be replaced but the sim-tray is still broken. I still need to replace that. Also the grill that is on the top off the top bezel of the phone went off, I think that it's the mic for calls, but I don't know for sure. I am really anxious about this, please help me.
UPDATE;
This seems to be a problem related to my home wifi, because other wifi's work just fine. Too bad that my knowledge in this field is very lacking...
Did you finally find a solution? I have the same problem, only at home and only with my phone (no problem with my computer)...
go into you router settings and change your wireless setting to the following:
wireless channel - 10
wireless mode - 802.11 b/g/n
if the above wireless mode dont work, try the other modes. usually this is set at auto and may confuse wifi on phones
I'm having the exact same problem. WiFi at home works great with PC+Win10, but I can't manage to make it work on the OPO.
It says "connected with no internet" or "connected" but then I can't navigate, and also the device appear as not connected on the router admin page.
WiFi on the OPO works fine at work or other places. I really have no idea why this is happening. I'll try to flash an update.

Portable hotspot disconnected, wifi turns on.

Hi! Just wondering if this has happened to anyone else and if they know of a fix;
While using my Pixel as a hotspot, it occasionally will automatically turn my wifi on and thus turning off the hotspot.
Not this is where it gets weird;
I got an app to force my wifi off. (This happens when I play Overwatch on PC by the way). While mid game, it will disconnect me, but the hotspot will still be on and wifi will be off like it should be. I get forced logged out and it locks my account due to "suspicious activity". Same thing will happen to my girlfriend while she plays with me as well on my hotspot.
Could this be because the phone will change the IP address (is that the right term I'm looking for?) While using the hotspot?
It's super frustrating​ and I don't have any apps that I know of that mess with my wifi settings.
I'm on 7.1.2 with a Verizon Google Pixel.
Thanks in advance if anyone reads all this and maybe knows the issue!

Wi-Fi dies when using bluetooth to listen to audio?

This is my second phone to have this problem. First was my old S4, now my S7 has the same problem. Basically, I want to watch YouTube or Netflix on my phone over Wi-Fi, and I want to listen to it on a bluetooth headset. But after a few minutes of watching/listening, my Wi-Fi connection always dies, I get that little exclamation point next to the Wi-Fi symbol in my notification panel, and the only way to fix it is to turn off Wi-Fi and turn it back on. It'll work for another couple minutes, then die again and need to be reset. Bluetooth stays connected the whole time and never drops. It's just the Wi-Fi that gets dropped. If I turn Bluetooth off and just listen via phone speaker or wired headphones, no problem, Wi-Fi can cruise all day.
The research I've done suggested that 2.4GHz might be causing a problem, but my network is 5GHz. Another suggestion was to switch the phone to a static IP address, that didn't help. I'd also read that Android has problems with IPv6, so I went to disable that in my router and discovered that it's never been on.
So, I found three solutions on my own, and none of them worked. Now it's time to reach out to the brain trust here. Does anyone have any idea what might be the problem? Vanilla S7, no root or ROMs. Thanks!
dstarr3 said:
This is my second phone to have this problem. First was my old S4, now my S7 has the same problem. Basically, I want to watch YouTube or Netflix on my phone over Wi-Fi, and I want to listen to it on a bluetooth headset. But after a few minutes of watching/listening, my Wi-Fi connection always dies, I get that little exclamation point next to the Wi-Fi symbol in my notification panel, and the only way to fix it is to turn off Wi-Fi and turn it back on. It'll work for another couple minutes, then die again and need to be reset. Bluetooth stays connected the whole time and never drops. It's just the Wi-Fi that gets dropped. If I turn Bluetooth off and just listen via phone speaker or wired headphones, no problem, Wi-Fi can cruise all day.
The research I've done suggested that 2.4GHz might be causing a problem, but my network is 5GHz. Another suggestion was to switch the phone to a static IP address, that didn't help. I'd also read that Android has problems with IPv6, so I went to disable that in my router and discovered that it's never been on.
So, I found three solutions on my own, and none of them worked. Now it's time to reach out to the brain trust here. Does anyone have any idea what might be the problem? Vanilla S7, no root or ROMs. Thanks!
Click to expand...
Click to collapse
Have you tried the usual first step in troubleshooting, have you tried booting to recovery and wiping the cache partition?
You can also try flashing the stock firmware for your model number via Odin.
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