1. Make sure that TinyUF2 bootloader specific to LilyGO T-TWR Plus is pre-installed on your board.
   If it is not - use this illustration to install it by yourself. Put ESP32-S3 into Service Mode before flashing.
   

A properly installed bootloader is configured to show this picture on the OLED screen:

2. Download firmware binaries into your Ham Edition. Follow these instructions.

3. Move your Ham into an area of good GPS/GLONASS/BeiDou/Galileo reception, turn on and leave nearby.

4. Connect your Tablet/Cellphone to SoftRF Wi-Fi Access Point.
   SSID: SoftRF-XXXXXX
   Key: 12345678
   

5. Open up a browser then proceed to this URL: http:https://192.168.1.1

6. A page like this should come up:
   

7. Open up Settings menu. Select Region value to be appropriate for your local area APRS carrier frequency. Press Save and restart button.
   Use an auxiliary radio to monitor APRS transmit sessions on that frequency.

8. Make sure that your Ham is located in the vicinity of an APRS repeater or iGate station. This map may help to find one.

9. Inspect that your Ham is shown on an APRS map, like that: