Can't update my iphone 4 apn settings?

I have an unlocked iphone 4, and I have my cellular data on but I don't have to options to update my apn settings or whatever it's called, I went to settings>general>network>turned on my cellular data
but i don't see my options to update it, how can i fix it.

How much will the Balckberry 10 cost w/out contract?

I'm trying to decide whether to buy a 9930 Bold or wait till, January, right?--when the new Blackberry 10 comes out. I currently have an iPhone but strongly dislike not having an awesome physical keyboard like on Blackberry's.

Added (1). What is your GUESS?

How much the iphone 5 monthly bill?

I have a good job and want to get the iphone 5 i'm with tmobile so i would have to switch to verizon and i plan to get unlimited talk text and data how much would all this cost thanks in advance Also i plan to buy the iphone 5 64 gb how much would all this cost i've never been with verizon

IPhone doesn't ring when on loud?

My iPhone I've had for about half a year now, and had zero problems with it. Now, it won't ring. It's on loud and everything. My alarms go off and play the tone, but when people call/text me I get no tone or anything just a vibrate. Anyone know why or had this problem before and fixed it? Thanks guys!

Added (1). I tried the little switch on the side, still nothing.

Why do i have to wait 3-4 weeks for my iphone?

So the other day i went to get my iphone and i thought you can just walk in and pay and get but we payed for it and picked out the plan then they told us that it was going to take 3-4 weeks to get to the store. So we agreed and as we where leaving this lady goes in to buy a cover and them they asked her if she had if but she said no and that she wanted to buy one and they sold it to her and i just wanted to know why?

Ihome will not recognize device?

I received an ihome for Christmas last year and it worked great for a couple of months and then stopped working. For no reason. I thought It was just my iPod that was not functioning but I recently got a new iPod and an iPhone and neither of them work. The ihome is still under a year old so if nobody knows what's wrong do you know if this will be covered under the warranty?

Games to play between android and iphone?

I live in the UK and my friend lives in South Korea. She has an android galaxy and i have an iphone.

Are there any games that we can play together online that will work on both of our phones?

Or any games on the internet?