Why are my iPhone messages green? - Apple Support

Why are your iPhone messages green? MMS/SMS messages appear in green text bubbles on your device. Learn how to have blue bubbles instead.

Send and reply to messages on iPhone - Apple Support

If you can't send or receive messages on your iPhone or iPad - Apple Support (CA)

Find My - Official Apple Support

Don't forget: A green bubble on an iPhone is a person - Android Authority

Why are some of my iPhone text messages green and some blue?, The iPhone FAQ

Google's new website asks Apple to end the green bubble bullying by supporting RCS - PhoneArena

Google Calls On Apple To Fix Hated Green Bubbles On iMessage

3 Reasons Why Your iPhone Messages Are Green On Other iPhones

If you see No Service, Searching, or SOS on your iPhone or iPad - Apple Support