Samsung J5 Owners Manual

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3 After fully charging, disconnect the device from the charger. First unplug the charger 
from the device, and then unplug it from the electric socket.
Do not remove the battery before removing the charger. This may damage the 
device.
To save energy, unplug the charger when not in use. The charger does not have a 
power switch, so you must unplug the charger from the electric socket when not in 
use to avoid wasting power. The charger should remain close to the electric socket 
and easily accessible while charging.
Viewing the remaining charging time
While charging, open the Home screen and tap Apps → Settings → Battery.
The actual charging time may vary depending on the status of your device and the 
charging conditions. The remaining charging time may not be displayed when you 
charge the device in very cold or very hot conditions.
Reducing the battery consumption
Your device provides various options that help you conserve battery power.
•	Optimise the device using the Smart manager.
•	When you are not using the device, switch to sleep mode by pressing the Power key.
•	Activate power saving mode.
•	Close unnecessary apps.
•	Deactivate the Bluetooth feature when not in use.
•	Deactivate the Wi-Fi feature when not in use.
•	Deactivate auto-syncing of apps that need to be synced, such as emails.
•	Decrease the backlight time.
•	Decrease the screen brightness.   
						

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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 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 the device is not charging properly, take the device and the charger to a Samsung 
Service Centre.
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.   
						

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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.
SIM or USIM 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.
•	Only microSIM cards work with the device.
•	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.
1 Remove the back cover and battery.   
						

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2 ► Single SIM models: Insert the SIM or USIM card with the gold-coloured contacts 
facing downwards.
	–Type 1 (SM-J510F, SM-J510FN):
	–Type 2 (SM-J710F, SM-J710FN):   
						

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► Dual SIM models: Insert the SIM or USIM card with the gold-coloured contacts facing 
downwards.
Insert the primary SIM or USIM card into SIM card slot 1 (
 1 ) and the secondary SIM or 
USIM card into SIM card slot 2 (
 2 ).
	–Type 1 (SM-J510F/DS, SM-J510FN/DS, SM-J510FN/DD, SM-J510GN/DS, SM-J510H/
DS):
1
2
	–Type 2 (SM-J710F/DS, SM-J710FN/DS, SM-J710FN/DD, SM-J710GN/DS):
1
2   
						

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Do not insert a memory card into the SIM card slot. If a memory card happens to be 
lodged in the SIM card slot, take the device to a Samsung Service Centre to remove 
the memory card.
3 Replace the battery and back cover.
Removing the SIM or USIM card
1 Remove the back cover and battery.
2 Pull out the SIM or USIM card.
► Single SIM models:
► Dual SIM models:   
						

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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 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.   
						

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Memory card (microSD card)
Installing a memory card
Your device accepts memory cards with maximum capacities of 128 GB. Depending on the 
memory card manufacturer and type, some memory cards may not be compatible with your 
device.
•	Some memory cards may not be fully compatible with the device. Using an 
incompatible card may damage the device or the memory card, or corrupt the data 
stored in it.
•	Use caution to insert the memory card right-side up.
•	The device supports the FAT and the exFAT file systems for memory cards. When 
inserting a card formatted in a different file system, the device asks to reformat the 
memory card.
•	Frequent writing and erasing of data shortens the lifespan of memory cards.
•	When inserting a memory card into the device, the memory card’s file directory 
appears in the 
My Files → SD card folder.
1 Remove the back cover.
2 Insert a memory card with the gold-coloured contacts facing downwards.
3 Replace the back cover.   
						

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Removing the memory card
Before removing the memory card, first unmount it for safe removal.
On the Home screen, tap 
Apps → Settings → Storage → SD card → Unmount.
1 Remove the back cover.
2 Pull out the memory card.
3 Replace the back cover.
Do not remove the memory card while the device is transferring or accessing 
information. Doing so can cause data to be lost or corrupted or damage to the 
memory card or device. Samsung is not responsible for losses that result from the 
misuse of damaged memory cards, including the loss of data.
Formatting the memory card
A memory card formatted on a computer may not be compatible with the device. Format the 
memory card on the device.
On the Home screen, tap 
Apps → Settings → Storage → SD card → Format → FORMAT.
Before formatting the memory card, remember to make backup copies of all 
important data stored in the memory card. The manufacturer’s warranty does not 
cover loss of data resulting from user actions.
Turning the device on and off
Press and hold the Power key for a few seconds to turn on the device.
When you turn on your device for the first time or after performing a data reset, follow the on-
screen instructions to set up your device.
To turn off the device, press and hold the Power key, and then tap 
Power off.
•	If your device is frozen and unresponsive, press and hold the Power key and the 
Volume key down simultaneously for more than 7 seconds to restart it.
•	Follow all posted warnings and directions from authorised personnel in areas 
where the use of wireless devices is restricted, such as aeroplanes and hospitals.   
						

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Touchscreen
•	Do not allow the touchscreen to come into contact with other electrical devices. 
Electrostatic discharges can cause the touchscreen to malfunction.
•	To avoid damaging the touchscreen, do not tap it with anything sharp or apply 
excessive pressure to it with your fingertips.
•	The device may not recognise touch inputs close to the edges of the screen, which 
are outside of the touch input area.
•	Leaving the touchscreen idle for extended periods may result in afterimages 
(screen burn-in) or ghosting. Turn off the touchscreen when you do not use the 
device.
•	It is recommended to use fingers when you use the touchscreen.
Tapping
To open an app, to select a menu item, to press an on-screen button, or to enter a character 
using the keyboard on the screen, tap it with your finger.
Tapping and holding
Tap and hold an item or the screen for more than 2 seconds to access available options.