The power button on my phone has pretty much developed a mind of its own. Half the time it doesn't do anything and the other half it starts turning the screen on and off at random. I have apps and features that can pretty much fulfill it's functions ...

Was browsing chrome when screen suddenly turned off and won't turn on. Charging doesn't do anything.

2 days ago, a purple spot appeared at the top right of the screen. That spot grew significantly and has covered around 30% of the screen. The place where the spot originated has no difference from the rest of the screen except it's significantly dark...

Phone randomly lights up and says "I couldn't connect. Please check your network connection and try again."