Back up data and files
Keep only the most recent data in your apps and files that you often need to use. You can back up
your other data and files. For some tips, see Ways of backing up files, data, and settings on page 92.
Remove or disable apps
Uninstall apps that you've downloaded if no longer need them. See Uninstalling an app on page 29.
Preinstalled apps can be disabled when you're not using them. See Disabling an app on page 149.
Move apps to the storage card
Third-party apps that you've downloaded and installed can be moved to the storage card if you've
set up the card as internal storage. See Moving apps and data between the phone storage and storage
card on page 84 and Moving an app to the storage card on page 85.
Unmounting the storage card
When you need to remove the storage card while HTC One A9s is on, unmount the storage card first
to prevent corrupting or damaging the files in the storage card.
If your storage card is used as internal storage and there are apps that were moved to the card,
you will not be able to open these apps after unmounting the card.
1. From the Home screen, tap Settings Storage.
2. Do one of the following:
§ If your storage card appears under Removable storage, tap Eject next to the card
name.
§ If your storage card appears under Internal storage, tap the card name, and then tap
Eject.
Boost+
What you can do on the HTC Boost+ app
Optimize your phone's performance, maximize your phone storage capacity, and even lock some
apps for an added level of privacy.
Here are some of the things you can do when using the Boost+ app.
87 Power and storage management
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