Use these steps to sync apps on ZTE ZMAX Pro.
- From the Home screen, tap Apps > Settings > Data usage.
- To turn off, tap the Menu icon and tap Restrict background data > OK.
- To turn on, tap the Menu icon and tap Allow background data.
Sync apps & accounts
- From the Home screen, tap Apps > Settings > Accounts.
- Tap the desired account.
- Tap the Menu icon with three dots, then tap Sync now.