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Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
@MaBe
Hi,
Well this is all about
--flash_modebecause some use four and others two wires access flash.Check this page https://github.com/espressif/esptool/wiki/SPI-Flash-Modes
and try to lower the --flash_freq to 40m
Try the 4MB file.