⦅how to use iMessage ⦆ ▻What is an iMessage?◅ iMessage is Apple’s own instant messaging service that sends messages over the Internet, using your data. They only work when you have an Internet connection. To send iMessages, you need a data plan, or you can send them over WiFi. If you use WiFi, there’s no cost, but if you use your cellphone’s data, it’s deducted from your data plan. Sending pictures or videos over iMessage can use a lot of data very quickly. ▻How enable iMessage on your iPhone◅ → First, unlock your iPhone and launch Settings from the home screen. → In Settings, scroll until you find "Messages" and tap. → At the top of the screen, find iMessage. → If the slider on the right is green, iMessage is already enabled. If not, tap the slider to enable iMessage. → After activation, you will now be able to ...