Resetting the year on Iphone 4?

Brought phone back to factory settings, the year is reading 1990. Already did the required, settings-general-turned off set automatically and can only change the actual date but not the year, where do I change the year?

If someone texts me and I'm out the country?

I have an AT&T iPhone and I want to know if someone texts me when I'm out the country, will I receive it when I come back? I know if they have an iPhone I'll receive it when I have Wi-Fi, but what about non iPhone users?

IPhone 5c water contact indicator?

I dropped my iPhone 5c in water yesterday and it has been in a bag of rice since. I plan on leaving it in there another day. I know there's a water indicator where the SIM card goes but is there a special tool to get the cover off or can I do it myself? And what would be the best way to get it off? IPHONE 5c!

Can I listen to my PC from my IPhone?

I can't listen to my laptop with headphone cause I broke my headphone jack I was looking for an app than can play the sound on my phone. I found one but it only works on for windows xp/vista/7. I'm hoping someone know another app or a different way?

Added (1). I have an Iphone 4s

How to disable the camera shortcut on iphone lockscreen?

So my friends found a new way to annoy me by taking thousands of photos on my iphone even though its locked while i'm not around or they somehow got my phone. Just wondering if you could disable this so they can't piss me off thanks

Using iphone from usa in the uk?

My boyfriend lives in the USA and i live in the UK. He just got the newest iphone and we're wondering if i would be able to have her old iphone. What would i need to do to be able to use it in the uk? As there are different providers in each country, will i just get the iphone unlocked like normal?

Any information or websties are welcomed, thank you