How to iPhone 5 ios7 complete reset?

If you jailbreak an iOS 7 iPhone 5 is there any way to completely reset the phone as if it were new without an Apple ID. Or is there any other method or hack

Do I get charged for iMessage?

Say I'm texting my cousin who right now is in Mexico, we both have iPhones and use iMessage. Will I get charged for texting her?

How to change Wi-Fi password on my iPhone?

Lately my computer hasn't been working correctly so it is super slow and just a hassle to do things on. I've gotten a new router from D-Link and there's no password that has been set. I know to change it on my computer you have to type in the IP and the default one is 192.168.0.1
So I've been wondering if I could change the password on my iPhone 5c! If I was to type in the ip it was just display an error like they thought I was trying to type in a website but made a typo or something like that. So what can I do to change the password if it's even possible to change it with a mobile device. If that doesn't work I will have to get my friend to come over with his laptop but he lives far away so that would be a problem haha thanks for all answers!

How to delete songs from my iphone 5s?

On my phone music i never downloaded is on there and i can't delete it. I can delete the music i intentionally downloaded but when ever i swipe the other stuff to delete it it doesn't work. Does anyone know how to delete it?

Can I use my laptops built in camera for home security?

I have a relatively new Toshiba with windows 7. I would like to be able to activate the camera in someway so that I can view it from my Iphone 5. Is there an app or program to do this? I would prefer not to have to pay any fees. Altho purchasing an egg cam or motion detector could be option since it would be nice to be alerted on my Iphone if someone entered my home. Also is there a way to record this video if need be such as if there was an intruder?

Dropped my iphone 5c? Cracked screen?

I dropped it and the screen broke, like the whole screen is cracked. I have sprint and i don't remember my contract. How much can i get it fixed for:/?

How to connect iphone to multiple speakers?

What i'm trying to get at is if there's a way to connect my iphone to play music on a surround sound system for example, but wirelessly through Wi-Fi or bluetooth capability.
I'm plannig on moving into a house with some friends and we want to get a surround sound system to place speakers throughout the living room/ dining room/ kitchen and be able to connect to it wirelessly, so we don't have to risk losing our phone or getting it stolen if we have parties (we're college students)

Links would be helpful if there are products out there