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Updating your Fitbit Flex 2
We occasionally make free feature enhancements and product improvements available through firmware
updates. We recommend keeping your Flex 2 up to date.
When a firmware update is available you’ll see a notification in the Fitbit app prompting you to update.
When the update starts, the lights on Flex 2 flash and a progress bar appears in the app. You’ll see a
confirmation message in the app when the update is done.
Note: Updating your Flex 2 takes several minutes and may be demanding on the battery. For this reason
we recommend doing the update while your tracker is fully charged or plugged into the charging
cable.
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