My iPhone says I'm using more space than I actually am?

I have a 16GB iPhone 4S and according to iTunes, it says that I only have 1GB left. I added up the memory usage from all of my apps and I'm only using about 6GB. Most of my usage is coming from 'other' as i have very little music and photos. Is there a way I can fix this or see what 'other' is so i can delete what isn't needed?

What to do after jailbreaking my iPhone?

I just jailbroke my iPhone 3GS because I wanted the keyboards, and themes, not games or anything like that. Someone told me I could get themes and keyboards for free. I jailbroke it, and went into the Cydia app and honestly am so stuck. Could someone give me the steps to do this Please?

IPhone only receiving half of long text message?

My iPhone 4s is only getting half of long messages that are sent to me. How can I fix this problem? People will resend the message as many as three times and it still doesn't go through to me! This message is important too. How long will I have to wait to receive the second part? Or get this problem to stop? It's really frustrating!

How to activate Iphone 2/3g without sim or jailbreak?

My cousin gave me her old Iphone and I want to activate it but she does no have the sim card. Right now I'm using the glitch that lets me go to the homescreen but that's getting annoying and I also want upgrade to ios 6. What can I do?

When should I charge my iPhone 4s? - 1

So, i have heard that when you charge it and it reaches 100% then it automatically stops charging, but i have also heard that leaving it on the charger after 100% wears down the battery.