Sim Or Usim Card (Nano-Sim Card) - Samsung SM-M305M User Manual

Basics
• W hile 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.
• I f you charge the device while the multipurpose jack is wet, the device may be damaged.
Thoroughly dry the multipurpose jack before charging the device.
• I f the device is not charging properly, take the device and the charger to a Samsung
Service Center.
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.
• Y ou cannot use the built-in fast charging feature when you charge the battery
using a standard battery charger.
• I f 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)

Installing the SIM or USIM card
Insert the SIM or USIM card provided by the mobile telephone service provider.
For dual SIM models, you can insert two SIM or USIM cards so you can have two phone
numbers or service providers for a single 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.
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.
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