Flutter Firebase Authentication || Phone OTP Authentication || Step-by-Step Guide || Flutter & Firebase

Welcome to another video in our Flutter Firebase Tutorial Series! In this video, I'll guide you step by step on how to implement Phone OTP Authentication in a Flutter app using Firebase Authentication.

Whether you're a beginner or an experienced developer, this tutorial will help you verify phone numbers, send OTPs, and authenticate users securely using Firebase Auth in 2025.

What You'll Learn:
How to enable Phone Authentication in Firebase
Install and set up Firebase Authentication in Flutter
Request OTP for phone number verification
Auto-retrieve OTP for a seamless user experience
Manually enter OTP and verify authentication
Handle authentication states (login, logout)

Resources:
Firebase Console: https://console.firebase.google.com/
FlutterFire Auth Docs: https://firebase.flutter.dev/docs/auth/phone

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#Flutter #Firebase #PhoneAuthentication #FlutterFirebase #FirebaseAuth #OTPVerification #MobileAppDevelopment