1-Create a Fake Email Write temp Mail on Google
2- Download this APK From Google playstore Just searH the app name " AntiPhone "
3- Sign with the Fake Email and Verify it
4- Choose a Number from the fake numbers that are given to u
5- The App will give u 2000 Credits to spend , You can remove the app and install it again and Sign with another fake Email
Or
You can Increase Credits by SBGameHacker or those kind of gay tools
6- After you choose Click on the Pen and type the number and allow the contacts on the app
7- Choose your Friend's phone and type ur message and press on send