Samsung J3 Pro User Manual

Contents

Basics13Ultra power saving modeUse this mode to extend the device’s battery power. In ultra power saving mode, the deviceperforms the following:r Restricts the available apps to essential and selected apps only.r Deactivates the mobile data connection when the screen turns off.r Deactivates the Wi-Fi and Bluetooth features.On the Home screen, tap Apps ĺ Settings ĺ Battery ĺ Ultra power saving mode, andthen tap the switch to activate it.To deactivate ultra power saving mode, tap MORE ĺ Turn off Ultra power saving mode.The usage time left shows the time remaining before the battery power runsout. Usage time left may vary depending on your device settings and operatingconditions.SIM or USIM cardInstalling the SIM or USIM cardInsert the SIM or USIM card provided by the mobile telephone service provider.r Only microSIM cards work with the device.r In some areas, data transfer speeds may be slower if two SIM cards are inserted inthe device than when one SIM card is inserted.r Some LTE services may not be available depending on the service provider. Formore information about service availability, contact your service provider.1 Remove the back cover and battery.