Download Booster causing wifi issues - Galaxy S6 Q&A, Help & Troubleshooting

When the download booster is turned on I keep getting connectivity errors. For example; after watching YouTube videos or browsing the Web for a few minutes I will lose connection and get the check network connection message. If I toggle wifi off and on it will work for a a few minutes and and then give the same error. I have tried a factory reset and the problem is still there.
Can anyone confirm this? Not sure if it's a bug or maybe an issue with my WiFi. Also the problem is only when WiFi booster is turned on. There are no issues when it is off.

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Switching between WLAN & WWAN?

so I am curious if anyone has run into this issue (or if it's not an issue and rather it's just the way the phone behaves, perhaps someone can tell me if there is a workaround in settings?):
it seems to me that turning wifi on doesn't always make wifi the active connection. it's intermittent, but it appears to happen frequently.
I found out because I started to download some stuff out of my audiogalaxy collection (which REQUIRES wifi, it doesn't let you do it on mobile data) and it kept telling me to enable wifi to continue downloading.
speed tests confirmed that I was on mobile data, not wifi... even though wifi was turned on and connected.
I've also noticed that occasionally, you'll turn wifi on and it won't replace the mobile data icon... I imagine it's all related.
any of you guys encountering this or should I go get myself a replacement?

[Q] won't automatically reconnect to known wifi (logcat attached)

Hello,
Every known wifi network I walk into, I get an wifi connection failure and my phone does not get connected. After going to the wifi network settings and manually choose connect, there is no problem...
Also overnight, my connection get lost and when I wake up I have the same error. I have to do the same thing (manually connect to my known wifi network(s).) before I can use it...
Deleting the network and adding it again will not solve the issue. I have attached the logcat. I also have enabled extended wifi logging for the logcat.
At 16.21 I enabled wifi and it does not connect
At 16.50 I manually connect to the network
Also added a logcat during night. I loose my wifi connection over night and when I wake up, I have to manually reconnect to my wifi.... Really annoying
I have done a factory reset, with no luck. Did a rom update with full wipe, still no luck.
Did removed the data/misc/dhcp and data/misc/wifi folders and removed all known wifi networks and readded them... No luck
Using catalysm 5.1.1 with faux kernel 025u
Does anybody know what's going on?
Thnx!
Same problem for me . Already reported from a guy https://code.google.com/p/android/issues/detail?id=170078

Wifi problem in New oxygen os 9.0

When i connect to my wifi i get good speeds for certain time.... Then after a few seconds i get very bad speeds... And then my speeds increases again and so on....
Anyone facing same issue?
Any fixes?
I had this problem too after updating but it seems to have fixed itself. Might help clearing cache from recovery or even factory resetting the phone. Also do you have Magisk or other mods?
I had this issue where if I rebooted I'd get quick speeds for a few seconds (just under 200Mbps) then it would drop to less than 5Mbps from then on. I ended up having to roll back to Android 8 (after wiping cache, resetting network settings, etc.) which has fixed it.
So I am also getting this but I think I know what it is.
At work I have to connect to a wifi network, then log in on a website.
Before the update as soon as I connected to the wifi I'd have no internet access until I signed in.
Now with 9 it continues to use the mobile data even after logging in. I actually have to turn off mobile data for it to switch to wifi. If I don't then I get the issue you all are having. When connected to wifi with mobile data off the speeds are consistent.
I have this exact issue. Sometimes I get my full wifi speed (100 Mbit) and then it drops to 0.5 and keeps on going up and down.
I've been having this same issue on 9.0.2, only on the 5ghz network though. Happens at my house, but not at work.

WiFi "freeze"

Hi guys,
i'm writing here because i am experiencing a weird wifi problem.
Basically, at random moments while using the phone, wifi stops working.
The wifi icon still shows that i'm connected, but i cannot send nor receive any data.
To restore wifi functionality i must wait some time (20 to 30 seconds) or turn off and on the wifi.
I don't think it's an AP / Router issue cause it's the only device in my house that shows this problem.
I tried searching online but i couldn't find anything similar to my case.
Has this happened to anyone? There is someone who can help me solve this problem?
Thanks.
Try wipe saved WiFi. If still not work, try factory reset

Wifi limited connection and other issues

Just about the phone and went straight into update while setting up. Everything downloaded fine, update apps etc. Seemed to be doing more updates in the background. Had a few random power offs that I had to plug it in for and would show 0% at 1% I would turn on and it would go back to 100% instantly. A few touch screen issues that seem to have gotten slightly better
Now my big problem I use my phone strictly on wifi but now all wifi connections are showing up as 'limited connection' the issues is the phone not the wifi. I have it on every wifi I've tried and my laptop has no issues with them. I'm trying to avoid a factory reset just to end up with the same issue
Thanks
You've tried all the basic stuff right?
9 Best Ways to Fix Wi-Fi Showing Limited Connectivity in Android
Are you unable to open any webpage on your Android phone due to limited connectivity issues? Find out how to fix limited internet connection error on Android phones and tablets.
www.guidingtech.com

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