About TalkBack 15.1.01.0
TalkBack is a screen reader service that helps to with your device even if you don't see the screen.
Through spoken feedback, control devices with gesture, and type with the on-screen braille board, you can clearly know what is happening on the screen and have better access to your device.

Starting with the Android 11 TalkBack, Samsung's pre-installed screen reader service Voice Assistant has been integrated with TalkBack to provide a better experience. Unified TalkBack