Don't know how to update programs/applications (iOS)

1. Open the App Store -> Tap on the Updates button in the bottom right corner of the screen
   
   

       

   
   
   
2. Tap either the Update all button (to update all the applications) or Update (to update applications one by one)
   

       
   
   
   

Note: Connect your mobile device to a stable Wi-Fi network before updating the application in order to avoid additional costs, to shorten the updating time and to ensure that the downloaded updates won't be corrupted.