Have you attempted to flash using a previous version? If so, did full functionality return?
Try this first though:
Was the Puck connected to another BT device? I believe that step of unpairing has to occur, before re-establishing BT after update. Searching for documentation. . . .
beneath the heading: 'I can't see my device any more'
Espruino BLE devices can only accept one incoming connection at a time. When a device is connected to it, it stops advertising and so cannot be connected to until the first device disconnects.
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.
Wed 2018.08.22
Have you attempted to flash using a previous version? If so, did full functionality return?
Try this first though:
Was the Puck connected to another BT device? I believe that step of unpairing has to occur, before re-establishing BT after update. Searching for documentation. . . .
EDIT
Ahhh . . . Here it is:
Inside:
http://www.espruino.com/Puck.js#troubleshooting
see: 'Troubleshooting' find:
http://www.espruino.com/Troubleshooting+BLE
beneath the heading: 'I can't see my device any more'