My iPhone 6 won't let me send Imessages
IPhone 6/ iOS 11.1.1/ I'm in a group chat on imessage but I can't send or receive messages on that group chat unless I have my data on, I have imessage on and group messaging on as well, the message sends as sms with my data on and I have tried turning imessage off and on and restarting my phone but it won't work, imessage won't let me send an imessage only a SMS with data on