crwdns2934241:0crwdne2934241:0 mookie

crwdns2934249:0crwdne2934249:0:

Take off the back and reseat the battery connection.  It worked for both of mine, or you need to replace the battery.  You may also try a different usb plug in and/or computer to plug it into.

crwdns2915684:0crwdne2915684:0:

open