If you are trying to decide whether to buy a new iPhone 5, or wait for the iPhone 5S or iPhone 6, or buy one of those other smartphones, one of the factors affecting your decision may be whether the BBM instant messaging service from BlackBerry will be avaiable on the iPhone. If it is, you've come to the right place. We also round up some alternative iPhone messaging services.Related StoriesShould I buy an iPhone 5 or wait for iPhone 5S, iPhone 6?What the EU's ban on mobile roaming charges means for you
