Wifi bug on Samsung SM-A520F Galaxy A5 - Galaxy A3, A5, A7, A8, A9 Q&A, Help & Troubleshoot

Hello. After buying the device, notice that the phone is connected to the Wifi several dozen times. Ie it is disconnected and reconnected. There is no Root, the stock firmware. What could be the problem?

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[Q] Wifi issues NOte 3 SM N9005

Gents,
Bought an international note 3 SM N9005, turned the phone on, Wifi worked no problem down loaded a softwear update, after the update had wifi issues.
Can connect to wifi, after one min the internet explorer opens, wifi stays connected, notification comes up saying to sign into wifi network then get kicked off the wifi after 3 min.
Tried with different routers still the same. Tried all the advanced wifi settings from other posts still the same, turned off the wifi power saver using the key pad code still the same.
Rooted and installed 3 different roms and still have the same issue even when using different Kernals, but the Baseband is the same for all the roms so is the issue with the baseband?
Any thoughts or help would be appreciated its driving me crazy.

[Q] SM-T537R4 Galaxy Tab 4 10.1 Wireless issues.. help :(

My SM-T537R4's (U.S. Cellular not connected though) wireless connection has been weird randomly.. I know I can't install a custom rom on this model.. Just wondering if it's a common issue with a fix or just my tablet being weird..
It's usually when I wake it.. I have to disconnect then reconnect it to my wifi in order for it to work online.. And sometimes (rarely) it's just dropped will general internet page surfing..
I've done several resets.. And it works beautifully for a few hours but then the issue kicks back in..
Help

Unstable WiFi (err_name_not_resolved)

I have the newest fw for my S5 and I have a lot of problems with WiFi. Sometimes I just get the err_name_not_resolved
In chrome and then I have to disable and enable WiFi and everything is OK again for perhaps an hour or a day... My phone also keeps getting warm and I suspect it has something to do with WiFi?!
I have tried reinstall my phone and my router is a Asus new one.
Please help. I had problems with WiFi since galaxy s3... (On different routers)

Connected to wifi but no internet

Hi guys i looking for help on this.
My note 4 was upgraded to marshmallow 6.0.1 2 days back and ever since then i am unable to access the internet when connected to wifi.
prior to the upgrade, there was no issue.
I have tried to factory rest the phone but still cant seems figure what is causing this issue.
All my other devices are connected to the same wifi and has no issue, just my Samsung Note 4 is having the problem
Has anybody else have this problem and how they manage to solve it as i have been searching the net and could not find anything.

Galaxy A5 2017 - Wi-Fi problem

I bought a brand new Galaxy A5 2017 a few weeks ago. Everything was working flawlessly, and since I was mostly using my LTE connection to use internet, it has been just now that I've noticed that although my device connects without a problem or interruption to any wi-fi router, depending on what router I'm connected to, I have no internet access. On the routers where I have no problems, the internet connection works flawlessly. On the other ones (including the one at my house) most of the time there's no internet connection, even though my Android stays connected at full strength at all times to the router. We have multiple computers at home, and several smartphones, and this Galaxy A5 is the only one that experiences this problem. I've done a factory reset, then reset the router but nothing seems to work.
Now it's unfortunately too late to return my device for a new one, so if I want the store's assistance, I must sent it to their repairing unit.
I've searched online for other examples where people might be having this problem, but found nothing quite like my situation.
Does anyone have a clue what might be going on?

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