How To Activate Imessage. But this would not fully activate itself. But, if you want to link your phone number to your imessage and facetime accounts, additional activation is required via.
But, you could run into imessage activation error while activating it. By default, to activate imessage and facetime on your apple device, you need an active internet connection and a valid apple id (email address).
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Call your network carrier if the support imessage. Depending on your carrier, you may be charged for this sms.