Settings158• Flight mode: Set the device to disable all wireless functions on your device. You can useonly non-network services.Follow the regulations provided by the airline and the instructions of aircraftpersonnel. In cases where it is allowed to use the device, always use it in flightmode.• Mobile networks: Configure your mobile network settings.• Data usage: Keep track of your data usage amount and customise the settings for thelimitation. Set the device to automatically disable the mobile data connection when theamount of mobile data you have used reaches your specified limit.You can also activate the data saver feature to prevent some apps running in thebackground from sending or receiving data. Refer to Data saver for more information.• SIM card manager (dual SIM models): Activate your SIM or USIM cards and customise theSIM card settings. Refer to SIM card manager (dual SIM models) for more information.• Mobile Hotspot and Tethering: Use the device as a mobile hotspot to share thedevice’s mobile data connection with other devices when the network connection is notavailable. Connections can be made via Wi-Fi, USB, or Bluetooth. Refer to Mobile Hotspotand Tethering for more information.• More connection settings: Customise settings to control other features. Refer to Moreconnection settings for more information.