Thanks, I'll check on that. EDIT: I checked and I have nothing connected to the Flash pins GPIO6-11 or the NC pin 32 in the schematic or PCB. I buzzed the pins and there does not seem to be any shorts to power, ground or other pins. I also checked the Strapping pins and nothing is connected except f...

Thanks for the quick reply. It's good to know that the silicon die is the same. Both modules I'm working with identify themselves containing 4MB of external flash. My firmware is around 1.1 MB and the SPIFFS image is about 100KB so I'm way under the capabilities of the module. The partition table ha...

I've run into a brick wall on this problem, I'm hoping someone can help. My setup is an identical development config with each type of module: - VSCode 1.58.0 + PlatformIO 5.2.0a9 - ESP-PROG board for code upload, icon file upload and reading serial output - Platform: espressif32 - Board type: esp32...