Sim Or Usim Card - Samsung J3 Pro User Manual

Basics
Ultra power saving mode
Use this mode to extend the device's battery power. In ultra power saving mode, the device
performs the following:
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
then tap the switch to activate it.
To deactivate ultra power saving mode, tap MORE
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.
Only microSIM cards work with the device.
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.
Settings Battery
Turn off Ultra power saving mode.
13
Ultra power saving mode, and