Android phones have a recovery mode that lets you access the bootloader and wipe data if you're unable to normally boot your phone.

How to boot your Samsung Galaxy Note 10 to Recovery Mode using ADB Command? The Android Debug Bridge (ADB) is a powerful tool in Android that lets your computer communicate with your phone using ...

This command allows you to boot directly into recovery mode without performing the complex finger dance of your people.

The preview SDK brings an updated version of ADB with a few new commands, including a handy new shortcut to reboot directly into Sideload Mode. The new commands are visible on ADB's help text.