Samsung Galaxy S4 - Wifi Network disabled Internet slow?

Question

I have a Samsung Galaxy S4 through Verizon. Over the weekend, I updated my phone with the new Android Jellybean software. Prior to this updated, I have always been able to connect to my office’s wifi with no issues. However after the updated, the phone will connect to the office wifi for a second or two, than return the following message, “Network Disabled because the Internet connection is slow” and cannot connect. I called my IT department, they said the office’s internet has not changed and I sit about 50 feet from the wifi router. Now I do get wifi connection at home and other places, and considering that the only change since last Friday was from the software updated, it has to be a phone issue.

I have done the following to get the wifi to connect:
Have “removed” the network and reconnect to wifi (no luck)
Done a complete shut down and reboot of the phone (no luck)
Taken the phone into Samsung (in Best Buy) and had them run a check to make sure the software is installed correctly (and it is)
Gone to Verizon store and had them look at it (they found no issues)

What else can I do? I enjoy using apps the need a connection (ie Pandora, Facebook), but just do not want to waste my data plan while at the office.

Answer 1

Check the wifi setting then go to advanced setting and uncheck the "Auto network switch" dialog box. Then Thats it. That's my problem too when i updated my samsung s4 for Jelly Bean 4.3.I hope i helped you in this little issue. God Bless! :)

Answer 2

It is almost certainly a compatibility issue between the WiFi network driver in the phone and the office WiFi source (router or wireless access point). Such problems affect a small percentage of WiFi connections. You are not alone. Unfortunately, I suspect that the Android upgrade included a new wireless driver and that is the source of your problem.



I used to have a laptop that had similar symptoms to those you describe, but I managed to find a different wireless driver that solved the problem for me. Unfortunately, it is not easy to change the driver in a phone.



You could try a factory reset; however, you will have to backup everything that is in the phone's internal memory, and remove the SIM card and any optional memory cards. I have only tried a factory reset twice on an Android device. The first time worked, but the second one was after I had upgraded to a later version of Android, and it refused to perform the reset.



You could see if a service centre can put the phone back to its previous version, but you will have to back up everything you wish to keep.



The other alternative, which is the solution I have used to get my Asus tablet laptop to work with my router, is to use a WiFi Range Extender in the office. I have a TP-Link TL-WA850RE extender. It connects to my router by WiFi, and its extended WiFi network (with a different SSID) is used for the connection to the laptop.



As a different example of how operating system upgrades can cause problems, when I did the free upgrade from Windows 8.1 to Windows 10 on my main desktop PC the Ethernet to my router stopped working completely. As there were a number of other issues caused by the upgrade and I had created a full backup of C:, so I simply went back to 8.1 to get the PC working properly again. Unfortunately, this sort of recovery is not normally possible on a phone.



I hope you find a suitable solution for your problem.

Answer 3

You may need to follow the advice in this video from Verizon:

https://www.verizonwireless.com/support/troubleshooting-factory-data-reset-android-video/