Your phone should appear in the "ID:COM" box, turning it blue or yellow.

Click on the button and select the file starting with "BL" from your extracted firmware folder. Repeat this for AP , CP , and CSC .

Official Samsung Galaxy A20 (SM-A205F/DS) Stock ROM: The Ultimate Guide

Whether you are looking to fix a software glitch, remove a custom recovery, or simply return your device to its factory state, installing the is the most reliable solution. This guide provides a comprehensive overview of why you might need the stock firmware and how to install it safely. Why Do You Need the Stock ROM?

Odin is the official tool used to flash firmware onto Samsung devices. Use the latest stable version (e.g., Odin v3.14.4).

Try a different USB cable or port. Reinstall the Samsung USB drivers.

Ensure your phone has at least 50-60% charge to prevent it from shutting down mid-process.