Why will the device not turn on?The device I have will just simply not turn on at all.
Answer to "What might cause short battery life?"You can try to restart your phone, once in a while you have to restart your phone because it can counter a common issue. If that doesn't work, you can close your unused app on your phone that might drain your battery. You can also check your battery, you might need to replace your battery. You can also go to the troubleshooting link ---Kyocera Hydro Vibe Troubleshooting