The "ID:COM" box should turn blue or yellow, indicating a connection.
The instant the screen goes black, quickly switch your grip to . Release the buttons once you see the TWRP splash screen. Common Issues & Troubleshooting twrp3021smt560tar full
Immediately after the screen goes black during the reboot, hold to enter the new TWRP recovery. The "ID:COM" box should turn blue or yellow,
Download Odin3 (version 3.10.7 or newer is recommended). Common Issues & Troubleshooting Immediately after the screen
With twrp3021smt560tar full successfully installed, you now have a custom recovery. Here are three immediate next steps.
Connect the tablet to the PC. Odin should show "Added!" and a blue/light blue COM port box. Load TWRP File: Click on the AP button in Odin. Select the twrp-3.0.2-1-smt560.tar file.
When the warning screen appears, press to enter Download Mode. Run Odin: Open Odin on your PC.