Why does my iPhone sometimes not get messages?

So sometimes when I'm using my iPhone 5, people will text me and I won't get them until i turn my phone off and on or if i text someone else. I do not know if it is the service or what but its really annoying? Do you have any suggestions as to what it is or how to fix it or if it happens to you?

My iphone 4, the lock button stopped working?

So my lock button stopped working and i need to know how to change the settings so that i can lock it. I'm not sure what its called but i think it is something like lock assist?

Will this Pioneer head unit fit in my 2005 Honda Civic EX?

I just bought a 2005 Honda Civic EX as my first car and wanted to get a better set up where I could hook my iPhone up to. I was looking at this Pioneer head unit and was wondering if it would fit in the car.

http://www.pioneerelectronics.com/PUSA/Car/CD-Receivers/DEH-X6500BT

If it would fit, how much would it cost to install? I'm 16 and can't install it myself unfortunately, so I would need to pay somebody to do it.

Is there a jailbreak website like jailbreakme.com?

Jailbreakme.com does not support iOS6.1.3 yet and i need to jailbreak now and have no computer with me right now. Is there a website that you can use on the actual iphone that you are going to jailbreak to jailbreak your phone?

How much is a Virgin Mobile iPhone 4/4S?

Hi. So I'm going to be getting a phone soon, and the least expensive plan I could find is Virgin Mobile, which seems like a good company. It doesn't say how much an iPhone is, so how much would it be?

Can I use a 99p sim to check if my iphone is unlocked?

I have an iphone 4s with THREE which still has a year left. I'm selling my iphone and using the contract sim in a normal phone (obviously with an adapter). I filled in an online form and they said they'll charge me £15.32.
Can i just buy a 99p sim card from an 02 store or something and put it in the iphone to see if it's unlocked?

How to play my iphone in my car? - 1

I don't have a cassette input or an aux input. I really would like to play my iphone through my car speakers though. Is there any way to do that?

Any fun iPhone apps? Gamecenter not involved?

I dropped my iPhone and now I can't play any games that use gamecenter. This sux because a lot of my paid apps use that. I was wondering if there are any tower defense or zombie apps that don't use gamecenter? Preffebably free, any help Is GREATLY APPRECIATED!