How to Send OTP in Firebase Authentication in Flutter Using Phone Number | Step-by-Step Guide
In this Flutter tutorial, learn how to implement Firebase Authentication using a phone number with OTP verification. We’ll walk you through every step — from setting up Firebase in your project to sending and verifying OTP codes for login. This guide is perfect for beginners and developers looking to add secure phone number login to their Flutter apps. Watch till the end for bonus tips and error handling.