Many people have problems with there messages not coming in when they sign up for iMessages on their iPhone then switch to an android. "Why do my messages not come in?" many people have asked me. Its an easy fix. When you signed up for iMessage on your iPhone it added your phone number to the list of Send and Receive emails an phone numbers so all you have to do is remove the phone number.
Removing
All you have to do is remove it by
- taking out the Sim card
- Signing out of your Apple ID by going to Settings > Messages > Send & Recive > Tap on Apple ID > Sign Out
- Turn Off iMessage