In Apple's Messages app starting with iOS 7, a green bubble surrounding the text means the incoming message came from a non-Apple phone that uses the standard SMS/MMS text messaging system (see SMS).

One thing that is definitely not "cool," it seems, is having a green text bubble. On Apple's iPhones, instead of conversations appearing in the typical gray and blue, text messages from non-Apple ...

By entering the numbers corresponding to the initial letters of the recipient's name, users can efficiently find and call their contacts. While these new features mark a significant upgrade for ...