Wi-fi keeps disconnecting - Galaxy S 4 Q&A, Help & Troubleshooting

Noticed recently that my wi-fi connection (at home) somehow keeps getting disconnected, as reflected in how frequently my 4G icon is lit up when home. This has never happened before and I'm forced to manually re-enter my wi-fi password to reconnect. Anyone aware of a fix?

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[Q] Wifi connection issues

Ran into some weird issues this weekend with my wifi connection with my focus.
The phone would randomly disconnect from my home network (strong signal, secured) and connect to an open network with weak signal. I would find this out as I would try to do something that required data and it would just hang and do nothing, I would have to go into settings and disconnect from the open network, reconnect to mine.
Frustrating that there was no way to force it to use our home network or to forget the other network and it stay forgotten.
Anyone had any similar issues. It was just this one day it did it, but was incredibly frustrating. I'm still within my 30 days, so if this is going to be an ongoing issue, I might should reurn the thing for something else.

Delay in connecting to Wifi after GB upgrade

This issue really bothers me a lot after I upgrade my Atrix to Gingerbread: when I turn on the wifi, it takes up to 2 minutes for the phone to connect to a wifi hotspot. During that connecting time, in the phone's wifi connection settings, it's either showing 'scanning' or 'obtaining ip address' but with an empty wifi network list. It seems like the wifi chip is still initializing itself or something. This problem doesn't happen all the time. About 1 in 10 times, it can connect to the same wifi hotspot instantaneously. And I am pretty sure it's not the problem of the wifi hotspots because I used them before with the same phone + froyo and there was zero problem at then.
Has anyone seen similar problem like this?
Forgot to mention that I have done the factory reset several times and the problem never goes away.

WiFi not connecting to home network?

Even though my wifi is switched on on my phone and connected to my home network, when I come home it does not reconnect. In fact my wifi seems to be switched off.
Anyone else have this?
Any way to fix it? I've tried forgetting the network and re-entering details, but that didn't work.

Problems with Smart Wi-Fi and Data Connection

Just popped open my S4 yesterday, and it has been fantastic. I've just been wondering if anyone else has been experiencing a problem with the smart wifi feature. Whenever you leave it on, if a Wifi Signal is a dynamic IP it seems to drop it if you move around within the area and is unable to connect with other routers hosting the same connection, however, when it switches to the data, either 3g or 4g, I am unable to resume data connections over the network, even after waiting a few minutes, and sometimes have had to restart it. Any others having this problem? Or am I just impatient.

[Q] Keep losing WiFi connectivity

I have an SGH-I337 that is running Cyanogenmod 11-20151112-SNAPSHOT-M12-jflte with baseband I337UCUAMDB, and I am experiencing some odd WiFi behavior.
The WiFi will be connected, showing in both the notification bar and the WiFi settings, the notification bar with show traffic (blinking up and down arrows), and yet apps won't be able to access the network. I can restart the WiFi via settings and this will usually restore app connectivity, though not permanently; eventually apps will lose connectivity again. Rinse; repeat.
At times I'll get annoyed at having the WiFi problems and turn WiFi off and use LTE. However, the WiFi eventually turns itself back on, often times exhibiting the connectivity issue that drove me to switch to LTE.
Another issue is that the WiFi will forget the settings for a given network. The WiFi app will simply show the network, not indicating that settings are saved, and I'll have to enter them again.
I haven't been able to establish a pattern to these issues, and it's driving me mad! Has anyone seen anything like this? Have any suggestions, besides taking a handgun to the phone?

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