Samsung A21s ADB Driver, User Manual & PC Software Download for Windows 10, Windows 8.1, Windows 8, Windows 7 - Samsung A21s ADB Driver is a component of software that allows you to backup files, data recovering, synchronization and various other advanced features between the Samsung A21s and PC. ADB driver for Samsung A21s can also be considered as Android Debug Bridge for Samsung A21s … [Read more...] about Samsung A21s ADB Driver, PC Software & User Manual Download