Samsung Galaxy S7 (SM-G930F) User Manual

Basics
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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...

Basics
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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...

Basics
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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...

Basics
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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...

Basics
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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...

Basics
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► 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
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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...

Basics
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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
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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
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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...