How to update mobile device software

For iOS

  1. Plug your device into power and connect to Wi-Fi.
  2. Go to Settings > General, then tap Software Update.
  3. Tap Install Now. 

For Android

  1. Make sure your device is connected to Wi-Fi.
  2. Open Settings.
  3. Select About Phone.
  4. Tap Check for Updates.
  5. If an update is available, an Update button will appear. Tap it.
  6. Install. Your phone will reboot.