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Basics
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 maintenance
→ Battery → → Advanced 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.
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.
If the fast wireless charging feature is not activated, launch the Settings app, tap Device
maintenance → Battery → → Advanced settings, and then tap the Fast wireless
charging switch to activate it.
• T he on/off option will be added in your device's settings menu when you first place
it on the charger.
• A fan inside the charger may produce noise during fast wireless charging.
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