It’s likely the wireless transmitter dying in the heat to be honest sounds like you have covered most things. Hmm. Despite my previous message I finally made it work. I moved to my country house where there is only one wifi network - here FlashAir works as expected without any problems. So it's def...

I brought the card down to my laptop to troubleshoot. I've figured out that when the card is inserted into my laptop and boots, I can ping the card for 5-10 seconds before it disconnects from the wifi. I have absolutely the same behavior but my w-04 is new. It seems it's dead on arrival. Re-flashin...