- Tap Recent Apps (the square or stacked squares icon on your Android home bar).
- Swipe the Boost app to close it.
- Tap the All Apps icon.
- Tap Settings.
- Tap Apps.
- Swipe right at the top to All.
- Tap Boost.
- Tap Clear Cache.
- Tap Clear Data.
- Tap OK.
- Tap Force Stop.
- Tap OK.
- Reopen Boost.