Firebase phone authentication android studio | android studio phone otp verification

In this video Android studio Tutorial we will learn using Firebase Phone Authentication OTP in our Android Application. Firebase Phone Authentication provide 10,000 free authentications per month, you will not find any other otp service provider for free of cost. country.java class download https://drive.google.com/file/d/164enPrg_nzDdF-iaXswnEWkYBpR-Pe71/view?usp=sharing Subscribe to this Channel: https://www.youtube.com/channel/UCiovPhijx7UY-eajFrpXUIQ Facebook Page:- https://www.facebook.com/AndroidStudioApplication