Flutter & Firebase Phone Authentication Tutorial for Beginners | Step-by-Step Guide

In this Flutter tutorial, you'll learn how to implement phone authentication using Firebase, perfect for beginners who want to add this essential feature to their apps. We'll walk you through each step, from configuring Firebase with your Flutter project to generating the SHA-1 hash and handling the entire authentication flow, including OTP verification.

What You'll Learn:
✅ How to configure Firebase for phone authentication in Flutter
✅ Adding SHA-1 hash certificate to your Firebase project
✅ Creating a simple UI for phone number input, OTP screen, and homepage
✅ Handling valid and invalid OTPs with error messages
✅ Using test phone numbers for Firebase authentication
✅ Fixing common issues like SHA-1 key mismatch for Android debug and release modes

By the end of this video, you'll have a working phone authentication system in your Flutter app. If you encounter any problems, drop a comment below, and I’ll help out or create a follow-up video. Don't forget to like, subscribe, and stay tuned for more Flutter tutorials!

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[peepeepooopoooooooo]

you didn't teach flutter, you taught how to prompt chatgpt bro

[Pawan-fuwe]

Hello bro I'm not send otp in real phone number but test number are sent otp and I'm trying to a android 12😢