Recently I received my Athom LS-4P controller, It worked fine ... I could connect to wifi, My Leds ....
The thing is, I saw there is a Newer Beta Version with matrix support, Which in my case was needed for my 16*16 matrix, (version was 1.13 I needed 1.14 Beta) I downloaded the Wled Bin and Updated it via OTA, Well ... I realized That I accidentally picked the WLED version for ESP01 but mine has an ESP8266.
It rebooted, the LEDs going crazy, few seconds later the relay was clicking 2 times and now ... Yh, It is literally dead because it doesn't do anything now. No Hotspot no wifi activity...
I tried the reset mode From instructio which had no effect state remains, So basically What to do Now!?
It seems that you can only flash the firmware through the serial port, you need to hold down the button when flashing, and you need to reconfigure the GPIO after flashing