If you're experiencing crashes, freezes, or longer-than-normal load times, here are some steps to try! Please test after each step to see if the issue has been fixed.

iOS
  1. Reboot (i.e. soft reset) your device by holding down the sleep/wake button and the home button for 20 seconds.
  2. Delete the app and reinstall it. This will also ensure you have the latest version of the app, which is very important.
  3. Make sure WiFi is turned on and the signal strength is strong
  4. Clear the memory by closing all background apps
  5. Update your iOS device to ensure it's running the latest software
Android
  1. Reset your device
  2. Hold the power button down for twenty seconds, the device should restart.
  3. If this does not work, contact your hardware manufacturer's support for instructions on how to restart.
  4. Close your background applications
  5. Contact your hardware manufacturer's support for instructions on how to close applications running in the background
Amazon

How to Reboot your Kindle Device
  1. Close Your Background Apps
  2. Go to Settings
  3. Select More
  4. Applications
  5. Installed apps
  6. "Filter by" drop-down menu
  7. Select "Running Applications"
  8. Select an app
  9. TapForce Stopt hen OK

    Check Amazon's website to make sure your device is running the latest firmware