Question :

Device seems to heat up while charging the battery.

Answer :

While charging, the device and the charger may become hot.

During wireless charging or fast charging, the device may feel hotter to the touch.

This does not affect the device�s lifespan or performance and is in the device�s normal range of operation.

If the battery becomes too hot,

the charger may stop charging.

Battery charging tips and precautions:

• 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.
• Especially, do not place cards such as RFID card , credit card, Door lock card between device and back cover.
• The device may not charge properly or may overheat and may cause damage the device.
• If device is not placed on exact center of charging pad or is charged by non-authorized charger, the charging pad may overheat than normal.
• Use only Samsung-approved chargers, batteries, and cables.
• Charge-related products affect a direct impact on the safety of the user, so be careful when selecting the product.
• Unapproved chargers including car chargers or cables may cause the performance problems and malfunctions or damage the device that are not covered by the warranty.  
• Using Non Samsung-approved products (ex : wireless charger, USB cables, car chargers, Micro USB Connector, USB power adapter) that are not guaranteed to be compatible may cause damage to the product.
• If the lower part of the device overheats, it could be because the connected USB cable is damaged.
• Replace the damaged USB cable with a new Samsung-approved one.
• Be careful not to let foreign objects into the charger connector (connector, plug).
• It may cause overheating due to corrosion or temporary short-circuit of power terminal.
• If you charge the device while the multipurpose jack is wet, the device may be damaged.
• Thoroughly dry the multipurpose jack before charging the device.