Text vs iMessage
Why is my iPhone sending text messages instead of iMessage to other iPhones
Apple’s Worldwide Developers Conference to kick off June 10 at 10 a.m. PDT with Keynote address
The Keynote will be available to stream on apple.com, the Apple Developer app, the Apple TV app, and the Apple YouTube channel. On-demand playback will be available after the conclusion of the stream.
The Keynote will be available to stream on apple.com, the Apple Developer app, the Apple TV app, and the Apple YouTube channel. On-demand playback will be available after the conclusion of the stream.
Why is my iPhone sending text messages instead of iMessage to other iPhones
If the iPhones you send messages to have not activated iMessages, you will send normal text messages.
You can also check yourself whether iMessages are activated on your iPhone:
Settings → Messages → enable iMessages
You can find more useful information here:
If you can't send or receive messages on your iPhone or iPad - Apple Support
If the iPhones you send messages to have not activated iMessages, you will send normal text messages.
You can also check yourself whether iMessages are activated on your iPhone:
Settings → Messages → enable iMessages
You can find more useful information here:
If you can't send or receive messages on your iPhone or iPad - Apple Support
Text vs iMessage