Click the (or PDA) button and select the twrp3021smt560tar file.
Go to Settings > About Tablet and tap "Build Number" seven times. Then, in Developer Options, enable USB Debugging and OEM Unlock (if available). Step-by-Step Installation Guide twrp3021smt560tar verified
This file is strictly for the SM-T560 . Do not attempt to flash this on the SM-T561 (3G version) unless the developer explicitly states compatibility, as they use different chipsets. Click the (or PDA) button and select the
Since you disabled auto-reboot, your tablet is still in Download Mode. Hold Volume Down + Home + Power to exit Download Mode, but the moment the screen goes black, immediately switch to Volume Up + Home + Power . in Developer Options