How to flash FPVSIM Timer

You might be getting the following warning if the APP and firmware version mismatch. This tutorial goes through the steps to flash a FPVSIM Timer unit.

Download the latest firmware Please choose the correct the firmware that fits your board.
Connect to the timer using APP with version greater than 4.1.0 and go to the settings menu. Scroll down to the new "Firmware Update" section.
Click the "Choose File" button and navigate to your download firmware file.
Choose the right firmware that targets your board. Please make sure the firmware actually matches your board to avoid irreversable issues.
Now wait for the firmware upgrade to finish. Please don't disrupt the process to avoid irreversable issues.
Now disconnect and reconnect to the timer unit, you should see the firmware version is updated.

Now enjoy the new firmware!