Settings80Data usageKeep track of your data usage amount and customise the settings for the limitation.On the Settings screen, tap Data usage.• Mobile data: Set the device to use data connections on any mobile network.• Set mobile data limit: Set a limit for mobile data usage.• Data usage cycle: Set a monthly reset date to monitor data usage between periods.To use more options, tap .• Data roaming: Set the device to use data connections when you are roaming.• Restrict background data: Set the device to disable sync in the background while usinga mobile network.• Auto sync data: Activate or deactivate auto-syncing of apps, such as calendar or email.You can select what information to sync for each account in Settings → PERSONAL.• Show Wi-Fi usage: Set the device to show your data usage via Wi-Fi.• Mobile hotspots: Select mobile hotspots to prevent apps that are running in thebackground from using them.SIM card manager (dual SIM models)Activate your SIM or USIM cards and customise the SIM card settings.On the Settings screen, tap SIM card manager.• Voice call: Select a SIM or USIM card for voice calls.• Video call: Select a SIM or USIM card for video calls.• Data service network: Select a SIM or USIM card for data service.• Smart Dual SIM: Set the device to allow incoming calls from the other SIM or USIM cardduring a call.When this feature is enabled, you may incur additional charges for call forwardingdepending on the region or service provider.