wifi doesn't works on galaxy s4

i try to turn on the wifi, and it turn off for itself, and the bluetooth too.
So, i followed this tutorial:
1. Root your phone
2. Download Root Explorer.apk, put it on your phone via USB, install it
3. navigate to either /data/misc/wifi or /system/etc/wifi
4. rename or delete wpa_supplicant.conf
4.5. reboot
5. ???
i followed the tutorial i deleted the archive in the data and system, but not appeared a new one, and the wifi still not working
Please help me! (and sorry for my bad english )

Show Accepted Answer

Guest Quick Reply (No URL, BBcode or HTML)

speaker problem
Started by yjones
Last post by turcotte.gilda
2 hours ago
Last post by eloisa77
1 hour ago
Last post by lraynor
51 minutes ago
Last post by fisher.reilly
2 hours ago
Last post by wmraz
18 minutes ago
Last post by madelyn39
3 hours ago