It looks like you’re trying to complete or interpret a firmware / device identifier string:
Flash: Ensure "Auto Reboot" is unchecked if you want to boot directly into TWRP, then click Start.
Download Mode: The tablet must be put into Download Mode by holding Power + Home + Volume Down. twrp3021smt560tar verified
It looks like you have verified a file related to the Samsung Galaxy S5 Active (SM-G870A) and are looking for the helpful blog post associated with it.
Crucial: Immediately press and hold Volume Up + Home + Power as it restarts. It looks like you’re trying to complete or
If you'd like to move forward with rooting or installing a Custom ROM after flashing TWRP:
Key Combo: After flashing, you must immediately boot into recovery (Home + Volume Up + Power) before the system restarts, or the stock ROM may overwrite TWRP. Community Verdict Verified by many users on XDA Developers Trips the Knox counter (permanent warranty void) Essential for installing Android 7.1+ ROMs Outdated compared to newer TWRP 3.x releases Stable touch interface for SM-T560 Risk of bootloops if wrong model file is used Crucial : Immediately press and hold Volume Up
Load the File: Click the AP button in Odin and select the twrp3021smt560tar file.