how to Fix Zenfone "Insufficient storage available" message pops up when installing apps

Please follow methods below for troubleshooting:

1. Uninstall apps that are not often used: Settings>Apps> (Select an app you want to remove) Uninstall.
   
2. Move apps that are stored in internal storage to SD card: Settings>Apps>Tap MOVEABLE >Select an app > Move to SD card.
   
3. Change default location of app installation to SD card: Settings >ASUS customized settings> App installation settings> Prefer External Storage.
4. Delete data that are not in use.