How does iPhone activate imessage?

1, iMessage is different from ordinary SMS, which requires data traffic, so you need to connect to WiFi or cellular mobile network, which is free, but you need to charge if you use cellular mobile network.

2. After connecting to the network, open the settings.

Step 3 find information

4. Find iMessage under the message, open iMessage, and it will be activated after a while.

5. At this point, the current mobile phone number will default to the account for receiving information.

6. If your iPhone doesn't have a SIM card, or you want to receive information with an Apple ID, just log in to the Apple ID.

IMessage is an instant messaging software launched by Apple, which can send short messages, videos and so on. It has high security. Different from the SMS/MMS service of operators, users only need the data support of WiFi or cellular data network to complete communication.