Kickstarter-funded smartwatch Pebble has received an update to fix a showstopping bug. The new 1.9.1 firmware came into being following reports received by Engadget of users finding their timepieces stopped working after shutting down, and is said to fix the issue. Customers with watches on older firmware that do not switch back on can request for a replacement through e-mail or the companion Pebble app.