Go to . You must see SM-T560 . There is also an SM-T561 (3G) and SM-T560NU (a different variant with Marvell chipset). This guide is strictly for SM-T560 Wi-Fi .

Click . The log will process, and the top box will display a green PASS! block once complete. Step 4: Force Boot Directly into TWRP

If you are ready to move beyond Samsung’s abandoned 2015 firmware, the twrp3021smt560tar upd is your golden key.

: Boot the tablet into Download Mode (usually Power + Volume Down + Home). : Load the file into the "AP" slot in Odin and click start. First Boot

Usually caused by a bad USB cable, a locked OEM bootloader, or not having the correct drivers installed.