Samsung SM-J210F User Manual

Also see for Galaxy J2: User manual User manual User manual User manual

Contents

Basics12• The device can be used while it is charging, but it may take longer to fully charge thebattery.• If the device receives an unstable power supply while charging, the touchscreen may notfunction. If this happens, unplug the charger from the device.• While charging, the device and the charger may heat up. This is normal and should notaffect the device’s lifespan or performance. If the battery gets hotter than usual, thecharger may stop charging.• If the device is not charging properly, take the device and the charger to a SamsungService Centre.Power saving modeSave the battery power by limiting the device’s functions.On the Home screen, tap Apps → Settings → Battery and storage → Battery → Powersaving mode, and then tap the switch to activate it.To automatically activate power saving mode when the remaining battery power reaches thepreset level, tap Start power saving and select an option.Ultra power saving modeUse this mode to extend the device’s battery power. In ultra power saving mode, the deviceperforms the following:• Displays colours on the screen as grey tones.• Restricts the available apps to essential and selected apps only.• Deactivates the mobile data connection when the screen turns off.• Deactivates the Wi-Fi and Bluetooth features.On the Home screen, tap Apps → Settings → Battery and storage → Battery → Ultrapower saving mode, and then tap the switch to activate it.To deactivate ultra power saving mode, tap MORE → Disable 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.