Checking for Software Updates Using the Varia App
Before you can check for software updates using the Varia™ app, you must pair the device with the Varia app (Pairing with the Varia App).
The Varia app alerts you automatically when a software update is available. You can manually check for updates to make sure you have the latest version.
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If a software update is available, follow
the on-screen instructions to install it.
The radar LED flashes
while the device is updating.
When the update is complete, the LED flashes 20 times.
If the update fails, the LED flashes 
20 times. You should repeat the steps to try again.