Basics13• 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 you charge the device while the multipurpose jack is wet, the device may be damaged.Thoroughly dry the multipurpose jack before charging the device.• If the device is not charging properly, take the device and the charger to a SamsungService Centre.Power saving modeActivate power saving mode to extend the battery’s usage time.1 On the Home screen, tap Apps → Settings → Device maintenance → Battery → MID.2 Tap CUSTOMISE to change the power saving settings before entering power savingmode.3 Tap APPLY.Maximum power saving modeIn maximum power saving mode, the device decreases battery consumption by applying thedark theme and limiting the apps and features available. Network connections, except for themobile network, will be deactivated.1 On the Home screen, tap Apps → Settings → Device maintenance → Battery → MAX.2 Tap CUSTOMISE to change the power saving settings before entering maximum powersaving mode.3 Tap APPLY.After entering maximum power saving mode, on the Home screen, tap and select an appto use. To remove apps, tap → Edit and select an app with .To deactivate maximum power saving mode, tap → Disable Maximum power savingmode.The estimated battery usage time may vary depending on your device settings andoperating conditions.