Apps, even if not used often, may be running in the background and downloading data. 
	 If an app cannot be uninstalled, you can disable it. 
	 
 
  
- 
From the 
				Home screen, swipe up and then find and tap 
				Settings. 
			 
- 
Tap 
			 Apps & notifications.
		  
- 
At the bottom of 
			 Recently opened apps, choose to see all apps. 
		  
- 
Tap the app, and then tap 
			 Disable. 
		  
Tip: You can also press and hold an app on the 
		  
Home screen or 
		  
Apps screen, tap 
		  

, and then tap 
		  
Disable.