@Andy_N said in Power consumption / wifi-information storage machine.deepsleep(): OSError: the requested operation failed We just mitigated this through [1] by invoking lte.deinit() with the "reset" operation like lte.deinit(detach=False, reset=True) [1] https://github.com/hiveeyes/hiveeyes-micropython-firmware/commit/ec7c80e1219fb119c2881a0019cecdfad220f29f

@jmarcelino I see. Thanks for the links, mpfshell seems to support recursive uploading and appears to be generally awesome :) I'll give it a try.

@livius FW of the SD card should prevent corruption of file system of the card if power fail happens during writing. How this is achieved I don't know.