BLE is turned on by default, but gets disabled when boot sequence gets loaded into memory (according to main settings file) vie boot0.js file
Yep, that's right. However on the firmwares the watches shipped with, you could get into a tricky situation. Installing a newer firmware (https://www.espruino.com/Bangle.js#firmware-updates) fixes that though
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.
Yep, that's right. However on the firmwares the watches shipped with, you could get into a tricky situation. Installing a newer firmware (https://www.espruino.com/Bangle.js#firmware-updates) fixes that though