I'm currently using an iPhone 5 after by new iPhon...

I'm currently using an iPhone 5 after by new iPhone got stolen. However, since the theft, I'm not getting any messages which are sent to more than one person. Apple have checked my device and in my iPhone and also used a store iPhone and incurred the same problem!!! Go to Vodafone and they say it's Apple despite two different phones reporting the same fault with the Network. The weekend girl couldn't simply be arsed. Great customer service. Stay away