I was wondering what could be wrong with my phone:
Basically, I noticed that my battery life starting to decrease. I went ahead and invested in Anker batteries (comes with two of them) so I could basically improve my battery life.
I also had installed an app called Smart Wifi (an app that would detect the wifi's in my home and switch to the strongest/turn off when none detected) in that time period.
Now the current issues I have about a week later:
1. My wifi won't turn on. It's stuck on "turning on" but never does. I think Bluetooth is doing something similar
2. I will have a fully charged battery inside and the phone will eventually go black. I think it's still on because the phone stays warm. I can't seem to revive it. To fix it, I have to remove the battery and re-insert it.
I tried doing a factory reset and that fixed some of the slowing down problems. The black screen and wifi problem is still there. I'm not too good at this stuff, so any insight would be appreciated. I was considering rooting my phone and seeing if I could solve anything after installing a custom ROM but I wanted another pair of opinions first.