How to Flash TWRP recovery using Odin

1. Unzip the Odin 3.12.3 .zip file and run/open Odin3 v3.12.3.exe file from the extracted files on your PC.
2. Make sure you’ve downloaded a Odin flashable TWRP recovery .tar file compatible for your device.
3. (If applicable) Enable OEM unlock:
   1. Go to Settings » About phone » and tap Build number seven times to enable Developer options.
   2. Go back to main Settings page, scroll to bottom and select Developer options from there.
   3. Under Developer options, look for Enable OEM unlock checkbox/toggle and enable it.
4. Boot your device into Download mode:
   1. Switch off your device.
   2. Press and hold “Home + Power + Volume down” buttons for a few seconds until you see a warning screen.
   3. Press Volume Up on the warning screen to accept it and boot into Download mode.
5. Once your device is in download mode, connect it to the PC with a USB cable. The Odin window on PC should detect the device and show an “Added!!” message.
6. Now click on the AP tab on Odin window and select the TWRP recovery .tar file that you downloaded for your device.
   └ Note: DON’T play with any other options on the screen. You’re only required to connect your device and select the TWRP recovery .tar file in the AP tab.
7. Click the Start button on Odin and wait for it to finish the process. Once it has finished successfully, you’ll see a pass message on the Odin screen.
8. Your device will automatically reboot when Odin is done flashing. You can then disconnect your device.

How to boot into TWRP recovery on a Samsung Galaxy device

1. Switch off your device.
2. Press and hold “Home + Power + Volume Up” buttons for a few seconds and as soon as you see your device’ logo on-screen, release three buttons altogether. Your device will boot into TWRP recovery.