Find your Apple ID and tap Sign Out; Turn off iMessage; After a few minutes, enter your Apple ID; Turn on iMessage; This should now how to activate iMessage on the iPhone. If the issue still persists, continue to the next given step below. Use Airplane Mode activation. Another way to fix iMessage won't activate is by using airplane mode. Since iMessage is linked to your Apple ID, a minor glitch or error with your account could cause an activation error. Open Settings and tap on Your Name at the top of the screen. Scroll all the way down and tap Sign Out. You’ll be prompted to enter your Apple ID password before you’re logged out.
Manage Imessage Id

You can use the Messages app on your iPhone, iPad, or iPod touch to send messages. Those messages are sent as iMessage or SMS/MMS. Learn more about the difference between the message types.

iMessage

iMessages are texts, photos, or videos that you send to another iPhone, iPad, iPod touch, or Mac over Wi-Fi or cellular-data networks. These messages are always encrypted and appear in blue text bubbles. 2006 rh120. To turn iMessage on or off, go to Settings > Messages.
SMS/MMS
Imessage Identity
Hp keypad. Now that you’ve signed out of your Apple ID, tap the Sign In button. Enter your Apple ID and password to log back in! Reset Network Settings. When you reset your iPhone’s network settings, all of its Wi-Fi, Cellular, Bluetooth, and VPN settings will get erased and restored to factory defaults.
How Do You Change Your Imessage Id
Generic input devices driver download for windows. If you aren’t using iMessage, you can use SMS/MMS. These messages are texts and photos that you send to other cell phones or another iPhone, iPad, or iPod touch. SMS/MMS messages aren't encrypted and appear in green text bubbles on your device.
To use SMS/MMS on an iPhone, you need a text-messaging plan. Contact your wireless carrier for more information. You can also set up your other Apple devices to send and receive messages from any Apple device.
Imessage Idiot Guide
If Wi-Fi is unavailable, iMessages will be sent over cellular data. Cellular data rates might apply.
