Samsung Galaxy S7 (SM-G930F) User Manual
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Basics 11 Battery charging tips and precautions • When the battery power is low, the battery icon appears empty. • If the battery is completely discharged, the device cannot be turned on immediately when the charger is connected. Allow a depleted battery to charge for a few minutes before turning on the device. • If you use multiple apps at once, network apps, or apps that need a connection to another device, the battery will drain quickly. To avoid losing power during a data transfer, always use these apps after fully charging the battery. • Using a power source other than the charger, such as a computer, may result in a slower charging speed due to a lower electric current. • The device can be used while it is charging, but it may take longer to fully charge the battery. • If the device receives an unstable power supply while charging, the touchscreen may not function. If this happens, unplug the charger from the device. • While charging, the device and the charger may heat up. This is normal and should not affect the device’s lifespan or performance. If the battery gets hotter than usual, the charger 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 Samsung Service Centre.
Basics 12 Fast charging The device has a built-in fast charging feature. You can use this feature to charge the battery more quickly while the device or its screen is turned off. About Fast charging • Fast charging uses battery charging technology that charges the battery faster by increasing the charging power. The device supports Samsung’s Adaptive fast charging feature and Qualcomm Quick Charge 2.0. • To use Fast charging on your device, connect it to a battery charger that supports Adaptive fast charging or Quick Charge 2.0. Increasing the charging speed To increase the charging speed, turn the device or its screen off when you charge the battery. • While charging the battery when the device is turned off, the icon appears on the screen. • You cannot use the fast charging feature when the screen is turned on. Turn off the screen to increase the charging speed. If the fast charging feature is not activated, on the Home screen, tap Apps → Settings → Battery, and then tap the Fast cable charging switch to activate it. • You cannot use the built-in fast charging feature when you charge the battery using a standard battery charger. • If the device heats up or the ambient air temperature rises, the charging speed may decrease automatically. This is a normal operating condition to prevent damage to the device.
Basics 13 Wireless charging The device has a built-in wireless charging coil. You can charge the battery using a wireless charger (sold separately). Fast wireless charging You can charge your device faster using the fast wireless charging feature. To use this feature, you must use a charger and components that support the fast wireless charging feature. A fan inside the charger may produce noise during fast wireless charging. To reduce the fan noise, you must deactivate the fast wireless charging feature. The on/off option will be added in your device’s settings menu when you first place it on the charger. On the Home screen, tap Apps → Settings → Battery, and then tap the Fast wireless charging switch to deactivate it. Deactivating this feature will reduce noise, but may result in slower charging times. Charging the battery 1 Place the centre of the device’s back on the centre of the wireless charger. You can check the remaining charging time on the screen. The actual remaining time may vary depending on the charging conditions.
Basics 14 2 After fully charging, disconnect the device from the wireless charger. • When there are foreign materials between the device and the wireless charger, the device may not charge properly. • If you use the wireless charger in areas with weak network signals, you may lose network reception. • Use Samsung-approved wireless chargers. If you use other wireless chargers, the battery may not charge properly. Power saving mode Save the battery power by limiting the device’s functions. On the Home screen, tap Apps → Settings → Battery → Power saving mode, and then tap the switch to activate it. To automatically activate power saving mode when the remaining battery power reaches the preset level, tap Start power saving and select an option. Ultra power saving mode Use this mode to extend the device’s battery power. In ultra power saving mode, the device performs 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 → Ultra power 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 runs out. Usage time left may vary depending on your device settings and operating conditions.
Basics 15 SIM or USIM card (nano-SIM card) Installing the SIM or USIM card Insert the SIM or USIM card provided by the mobile telephone service provider. Use caution not to lose or let others use the SIM or USIM card. Samsung is not responsible for any damages or inconveniences caused by lost or stolen cards. • Dual SIM models: In some areas, data transfer speeds may be slower if two SIM cards are inserted in the device than when one SIM card is inserted. • Some LTE services may not be available depending on the service provider. For more information about service availability, contact your service provider. ► Single SIM models: 2 54 31
Basics 16 ► Dual SIM models: 23 54 1 1 Insert the ejection pin into the hole on the tray to loosen the tray. Ensure that the ejection pin is perpendicular to the hole. Otherwise, the device may be damaged.
Basics 17 2 Pull out the tray gently from the tray slot. 3 ► Single SIM models: Place the SIM or USIM card on the tray with the gold-coloured contacts facing downwards. ► Dual SIM models: Place the SIM or USIM card on the tray with the gold-coloured contacts facing downwards. Place the primary SIM or USIM card on the tray 1 ( 1 ) and the secondary SIM or USIM card on the tray 2 ( 2 ). 1 2 Tray 2 Tray 1 4 Gently press the SIM or USIM card into the tray to secure it. If the card is not fixed firmly into the tray, the SIM card may leave or fall out of the tray. 5 Insert the tray back into the tray slot. • If you insert the tray into your device while the tray is wet, your device may be damaged. Always make sure the tray is dry. • Fully insert the tray into the tray slot to prevent liquid from entering your device.
Basics 18 Correct card installation ► Single SIM models: Nano-SIM card microSD card ► Dual SIM models: Nano-SIM card Nano-SIM card Nano-SIM card microSD card • Use only a nano-SIM card. • You cannot insert a nano-SIM card and a microSD card in tray 2 at the same time.
Basics 19 Removing the SIM or USIM card 1 Insert the ejection pin into the hole on the tray to loosen the tray. 2 Pull out the tray gently from the tray slot. 3 Remove the SIM or USIM card. ► Single SIM models: ► Dual SIM models: 4 Insert the tray back into the tray slot.
Basics 20 Using dual SIM or USIM cards (dual SIM models) If you insert two SIM or USIM cards, you can have two phone numbers or service providers for a single device. Activating SIM or USIM cards On the Home screen, tap Apps → Settings → SIM card manager. Select a SIM or USIM card and tap the switch to activate it. Customising SIM or USIM cards On the Home screen, tap Apps → Settings → SIM card manager and select a SIM or USIM card to access the following options: • Icon: Change the icon of the SIM or USIM card. • Name: Change the display name of the SIM or USIM card. • Network mode: Select a network type to use with the SIM or USIM card. Setting preferred SIM or USIM cards When two cards are activated, you can assign voice calls, messaging, and data services to specific cards. On the Home screen, tap Apps → Settings → SIM card manager and set the feature preferences for your cards in Preferred SIM card.