2v09.87 ? That's the firmware version? That's from 4 years ago - so yes, absolutely, you need to update the firmware on both devices - I'm not surprised you're having issues
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.
2v09.87 ? That's the firmware version? That's from 4 years ago - so yes, absolutely, you need to update the firmware on both devices - I'm not surprised you're having issues