IPhone 5c won't send group mms messages?

I'm trying to send a group MMS message and it keeps saying "not delivered". What can i do to fix it? I've tried turning on and off iMessage but it didn't help. Please let me know how to fix it!

Added (1). EDIT!:

my phone number is checked on the 'send

I'm mad and frustrated that I can't afford the iPhone 5S, 5C, 5 or 4/4S

My fam is poor 4 kids 1 mom and it's very frustrating that I can't afford an iphone though I really want one, :( I don't even have a phone. And kids in my school rub it in with their new iphones/shoes and I know i shouldnt be getting maf but its very frustrating. I'm 15 (turning 16 nov 12) and i don't have a job and nobody does but my brother. Should I just stop complaining? I know ppl have it worse than me but for me this is bad and it's frustrating I tried to find a cheaper way of getting like getting it from a friend or used but it's still a lot:/ I just really want an iPhone you have no idea… Very frustrating situation we have have going on here

Thin but protective iPhone 5 cases under $5?

I need a thin, but protective iPhone case that will protect both the font, back, well pretty much my whole iPhone. I have an iPhone 5 by the way. I'm saving up for a MacBook Pro and don't feel like spending anymore than $5 on a case. Amy help would be appreciated!

IPhone 6 expected release date?

Ok, so I realise the 5s and 5c have only just been released, but if anyone knows when it's most likely the iPhone 6 will be out I'd be most grateful.
Currently on the iPhone 4, still works really well after 2 solid years of heavy use, updated to iOS7 turned off background app refresh and works a treat.
I can upgrade to 5s, but my network provider offer an alternative to reduce the monthly cost from 37 to £ 15 a month, on the same plan, unlimited internet, 2000 mins etc, which is a pretty good deal and it's only for 12 months too.
So, would it be wise to wait for the iPhone 6, if it's more than likely to be released in 12 months time?
Any answers grateful but would appreciate someone in the know and familiar with Apples sales patterns.

Did I buy the iphone 5 too late?

I just bought the Iphone 5 today instead the iphone 5s because the 5s is the same exact phone as the iphone 5 and the iphone 5 is cheaper. I heard the Iphone 6 is suppose to come out in a couple of months. Should I have waited?

Teensafe? Does it work if he deletes the message?

I want to install teensafe iphone monitoring software on my sons iphone and have two questions. I understand it works by getting the info from my child's iphone backup to iCloud but does that mean if he deletes the message before the backup, I will not be able to see it?

And how much does it cost because the prices don't seem apparent…

Iphone 5 or Iphone 5s? WDYT?

This week I'm upgrading my phone, which I've had for two years, to either the Iphone 5 or the Iphone 5s. My question is which do you recommend? Is the Iphone 5s worth the extra 100 dollars or should I just stick to the 5? Any positive input is helpful and greatly appreciated! I have had a cheap phone for two years and told myself that since I'm doing well in school and I can afford them it's time for an upgrade. Please and thank you!

IOS 7 downlaoded now i have no number? Wth?

When I downloaded IOS 7 to my iphone 4S when I go to Settings>Phone>My Number it says UNKNOWN and where my carrier would be on the notification bar on my screen by the time says No service. My sim card is good my carrier is H2O wireless & my bill is payed. I can't make phone calls or send texts please help!

Could I make an iPhone app on my Windows PC?

Okay, I'm a high school sophomore and I have something called 'personal project'. I'm supposed to do anything I want. I wish I could make an app with a school schedule. Here is how it would work. On your locked screen, there would be a countdown to the next class. For example, it would say '19:31 until Math'. You would be able to set your own schedule, so the app would know what subject to countdown to. And here is the question.Am I going to be able to create that app for my school before May/June? I just want you to know that I know nothing about making Android/iPhone apps. I'm currently learning HTML and I'm on ordered/unordered list level. Do you think I could develop that app before the due date? Thank you so much for reading. It means so much for me.