A mobile device user has tried to install a new app numerous times without success. She hasclosed all unused apps, disabled live wallpapers, and restarted the device in an attempt to getthe app to install. Which of the following steps should the user take next?1. Back up all user data and perform a factory reset.2. Check for sufficient available storage space. 3. The user needs to check to verify there is enough free storagespace to install the app. If not, unused apps can be uninstalled, and anapp to clean up space can be utilized.4. Disable full device encryption.5. Generate a new public key