When you are facing cant text android from iPhone to your closed one then you may feel very upset. If you want to know how you can overcome with this problem then read the given tricks to resolve your problem:
Connect to a good network
Turn Airplane Mode on and off
Restart the Messages app
Restart your iPhone
read also: https://ityug247.com/how-to-add-someone-to-a-group-text-on-iphone/