My iphone 5c has a mind of its own?

My iphone is messing up. It is moving on its own like someone else is touching it. At times, I can't even open the phone. Then it has its time that it will work perfectly fine, but then it start messing up.

IPhone 3GS has white screen when home button is pressed, why?

Our iPhone 3GS has a white screen when turned on in any way. The off button hasn't worked for months so I can't power it off. It had just ran out of battery so I let it charge, now the screen is just white when I turn it on in any way. Please no hate.

How come my iphone won't update?

My iphone won't stop saying searching… How can I fix this? AT&T sent me a new sim card but still no luck. My phone says there's an error updating 7.1.2- please help. And yes I have reset my phone and toggled airplane mode and Wi-Fi.

Cutting people out of my wireless connection?

I'm actually kinda stuck cause we had to change the ISP, they said that they will install a password next week (I have no idea why). Anyways, I was wondering if there's anyway to cut off those public intruders. PS: I can't access my router page.

I have an iPhone aswell.