Can I upgrade my iPhone5s to an iPhone 6 for free?

I currently have an iphone5s and it is so awesome, but after hearing the recent ios8 release, I want to upgrade my phone. I think the newer the better. After all, technology is improving.

Is it possible? And is it free?

Free music download app will not work iphone 5?

I downloaded iOS 8 and since then when I download a song and it finishes after a few seconds downloading it does not get added it just disappears and I tryed to erase a few songs and I have a lot of storage I have the purpleishpink free music download app

IPhone 5C fell in water, shut off, but the indicators are still white?

So, my phone fell in the water for about 2-3 seconds and I managed to pull it out while the screen was flickering off, I immediately put it in rice for about 36 hours, but it failed. We checked the water indicators and both were still white, do I have chance to take it to the apple store so they can replace it for free, or will they check inside aswell?

How to recover deleted iTunes backup files?

On June 27th I attempted to update my iPhone IOS 7.1.2 [Iphone 4]. When it got stuck into recovery mode cause it stopped midway. When I tried to restore my backup files, I've lost or deleted all of my iTunes backups due to reformatting. Any suggestions to get that folder back?

Fear of my alarm not waking me up or failing?

I understand waking up for school is important, or to get to your job, but I have a very vital role at my job on Saturday mornings. I need to open the gym. So if I don't get there, the gym will not open. So this causes my night of sleep the night before to be a combat mode of sleep. Constantly, in and out of sleep. Basically with one eye open. I just have a fear of my iPhone malfunctioning and not waking me up. Or the battery somehow draining over night. What to do?

Which iPhone carrier is the best?

I'm planning to get an iPhone but I want a good carrier
That has fast internet,4G, LTE
And doesn't drop any calls
I'm currently in between Verizon and AT&T
Please I need suggestions based on what you know about them the pros and cons Id appreciate it thank you