Battery life on iPhone 4 ios7?

Since I updated my phone ios7.0 my battery will die really fast I would have 100% in the morning and have 50% by 10am. What is going on? Is it just my phone or everyone's?

How to understand if someone hacked my iphone?

I have an iphone 5s, with ios 7.1.1! The SIM cart belongs to our country (iran)!
Some one understanded my secret that was in my messages, photos, notes, kik, viber and instagram, all on my phone! I just want to know that is it easy to hack a phone? How can I become sure that they have hacked my phone?! Really thanks!

How to get pictures and videos back from iCloud?

So my iPhone 5 started tripping so I called t mobile and they sent me a new one so before I sent my old one back I sent all my pictures to my iCloud but when I logged into iCloud on my new iPhone only some of my pictures was on there but I know I sent all them to my iCloud

Bluetooth won't play media on Iphone?

I bought a new Samsung HM1300 and it will work with phone calls and anything that utilizes the mic (voice control, google chrome etc.) but Spotify and videos I watch and anything comes out of the Iphone speakers. It is an Iphone 4 and I have Verizon not sure if any of that matters. Anything I can do to fix this (I've tried rebooting phone and BT headset). Main reason I bought it is to listen to music without headphones at work. Headphones get in the way.

Can you block all services on accept calling?

I want to block all texting and internet services on my daughters phone while grounding her, but still need to be able to call her or have her call me. We have Sprint. She has an iPhone and I have a Galaxy.