Samsung SM-G930F - Manual (Page 17)

Basics
17
Charging the battery
1
Place the centre of the device’s back on the centre of the wireless charger.
The estimated charging time will appear on the screen. The actual charging time may
vary depending on the charging conditions.
2
After fully charging, disconnect the device from the wireless charger.
When using the wireless charger, do not place foreign materials, such as metal
objects, magnets, and magnetic stripe cards, between the device and the wireless
charger. The device may not charge properly or may overheat.
• If you use the wireless charger in areas with weak network signals, you may lose
network reception.
• Use Samsung-approved wireless chargers. If you use other wireless chargers, the
battery may not charge properly.