Re: Won't connect to WiFi
Ok, so I have a solution. The first thing to do is to log into your router configuration by entering you IP address into your internet browser's address bar. If you don't know how to find your IP address and you're using Windows, open up a command prompt and type ipconfig and press enter. It should say something like IPv4 ..............192.168.0.1. Type this into your browser, and you should be prompted to enter your id and password which should be admin for both. Somewhere (it's different depending on what type of router you have) it should have an option for enabling Static DHCP IP. Select this and create an IP address you wish to use for your phone. I used 192.168.0.105. If it requires you to enter the MAC address as well, there should be a page in your router settings that shows what the router's IP address, Subnet Mask, Default Gateway, Primary and Secondary DNS and your MAC address. Simply enter your MAC address and click Add. Also take note of your Primary and Secondary DNS and Default Gateway addresses, as you will need them when adding your static IP on your device.
Once that is done, open your Galaxy S4's options and tap the Connections tab. Tap Wifi, and long press the wireless network you wish to use. It will open an options menu. Select "Modify Network Config".
The first option is to set a password. By default it says (unchanged). If your password you previously entered hasn't been changed simply leave this blank. If it has been changed or you aren't sure, simply type the password in. Now tick the box next to "Show advanced options". Leave Proxy settings on None. Change IP settings from DHCP to Static. In the box labeled IP address, type the IP address you selected in your router configuration page. Under "Gateway" type the Default Gateway address you took note of earlier. Next, leave "Network prefix length" at 24. Lastly, Enter the Primary DNS address in "DNS 1" and the Secondary DNS address in "DNS 2". Then click Save.
You should now connect automatically to your wireless network!
Hope this helps and good luck!
I apologize for the post as it may not work. It worked for me as far as connecting to my local network, but ended up not connecting to the actual internet. However, out of frustration, I went ahead and reset my router to factory defaults, and voila, connected immediately. So if the static IP option doesn't help, the router reset should.