Android phone not receiving text messages from iPhone
This can happen if the number you are using was registered to an iPhone previously, and is still in Apple's database to send texts as iMessage rather than SMS. To resolve this issue you will need to de-register your phone number in Apple's iMessage database.
Click the link below, scroll down the page and enter your mobile phone number. A text message will be sent to your phone, which you will need to enter in the next field.