I can’t sign in my iMessage

Hi Kenny0101,

We appreciate you reaching out to us.

We’d like to gather additional details that may help us be in a better position to assist you.

1. Have you had the chance to restart your device? Restart your iPhone - Apple Support
2. Are you connected to a known-good Wi-Fi network?
3. Are you able to send and receive SMS?

In the meantime, let’s check for a software update and make sure that you are running the latest version of iOS.

While it isn't inherently assured that an update will resolve the issue, updating to the latest software version for your device can help isolate potential software issues. 

Kindly secure a backup and update.

1. How to back up your iPhone, iPad, and iPod touch - Apple Support
2. Update your iPhone or iPad - Apple Support

Then, try the rest of the steps in the article below.

If you can’t turn on or sign in to iMessage or FaceTime - Apple Support

Take care!