Use these steps to sync apps on Apple iPhone 5s.
- From the Home screen, tap Settings.
- Tap General > Background App Refresh.
- Choose from the following:
- Tap the toggle next to Background App Refresh to enable/disable background data for all apps.
- Tap the toggle next to a specific application to enable/disable background data for that app.
Sync apps & accounts
- From the Home screen, tap Settings > Accounts and Passwords.
- Tap to Add Account or tap on an existing account to edit.