Get the latest ADB/Fastboot drivers from Android Developers .
Enable (Settings > About Phone > Tap "Build Number" 7 times). Download android90 root
Put your phone into (usually by holding Power + Volume Down). Get the latest ADB/Fastboot drivers from Android Developers
Is your phone from a specific (like Verizon) or is it unlocked ? Do you have access to a Windows, Mac, or Linux PC ? Samsung Galaxy S9
Download the for your exact phone model and build number.
What is your ? (e.g., Samsung Galaxy S9, Google Pixel 3)