That can happen if some app does write to the console during the update. Just try again a few times. If it does not work, boot the Bangle without loading anything and perform install/removal then. There it should work. https://www.espruino.com/Bangle.js+Getting+Started#resetting-without-loading-any-code
@halemmerich started
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.
That can happen if some app does write to the console during the update. Just try again a few times. If it does not work, boot the Bangle without loading anything and perform install/removal then. There it should work. https://www.espruino.com/Bangle.js+Getting+Started#resetting-without-loading-any-code