Basics
19
Fast charging
The device has a built-in fast charging feature. You can charge the battery more quickly while
the device or its screen is turned off.
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.
If the fast charging feature is not activated, launch the
Settings
app, tap
Device care
→
Battery
→
→
Settings
, 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.
SIM or USIM card (nano-SIM card) (SM-T835,
SM-T835C, SM-T837)
Installing the SIM or USIM card
Insert the SIM or USIM card provided by the mobile telephone service provider.
•
Use only a nano-SIM card.
•
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.
Some LTE services may not be available depending on the service provider. For more
information about service availability, contact your service provider.