Downgraded via Odin, then upgraded to 5.1...
Works perfectly. Didn't lose any data. Wifi Hotspot still works.... Download booster is still there... Only thing I notice is the Hotspot toggle is gone. That's it tho.
Im on a clean install of 7.. And im having wifi issues. Didn't have any issues on 5, or 6, but now it sucks lol. I've flashed the. Zip and Im using the ipv6 app EVERY time I log into wifi. Anyone know of a permanent fix for this?