Iphone software problem needing solution?

I've recently just got the iPhone 5s in March, I had the 4s before for 2 years in 2012.

But I noticed ever since I installed iOS 7 that my phone just keeps turning off. And I have to reset it by holding the lock button and the home button to get it to turn back on. Why does it do this? It happens every so often, it'll be fine one minute then when I press the home button to go on it. It's off:/

Why does my iPhone switch from metropcs to t-mobile sometimes?

I was on my iPhone and suddenly my phone switched carriers from metropcs to tmobile but my phone still has internet working. What do you think happened?! This is weird! It happens rarely but sometimes it will happen so fast and even alternate between the two for sometimeWhy does my iPhone switch from metropcs to t-mobile sometimes

Refurbished iPhone 4 unlocked?

Hi, I'm looking for a refurbished iPhone 4 or even iPhone 4s,5 that is unlocked and is from a reliable source. Please tell me if there are any places where I can find an iPhone in a very good quality.

Why does an iPhone need to be unlocked for T-Mobile?

Title explains it all. In further detail, I'm wondering why an iPhone needs to be unlocked for T-Mobile unlike AT&T, Sprint and Verizon. And will T-Mobile ever have the low prices like the 3? This question has been irritating me for so long.

Sound not working on iPhone 4s? - 1

I just dropped my phone in water and picked it up immediately, dried it and did the whole turn on an turn off thing. Every thing seems to be working normally EXCEPT my speakers. My ringtone works just fine, but my music app and text tones don't make noise unless docked in an ihome or with headphones. I also have tried pressing the volume buttons and they don't work now either. I can turn the ringer on and off but that's about it when it comes to the external speakers.