My text bubbles are now green. The iMessage won’t activate. Why?
Why doesn’t the iMessage stay activated?
Question marked as
Top-ranking reply
If it took a while until your iMessage could be activated, it may take as long for the activation of FaceTime.
Are you trying to use Wi-Fi or mobile Data to connect to FaceTime?
Use FaceTime with your iPhone, iPad, or iPod touch - Apple Support