Samsung GT-B7620 User Manual(Extended Usage Guide) User Manual page 101

The sound quality of a call is poor
• Ensure that you are not blocking the internal antenna
and the Bluetooth antenna. The internal antenna and
the Bluetooth antenna are located at the bottom of the
device.
• When you are in areas with weak signals, you may
lose reception. Move to another area and try again.
The battery does not charge properly or
sometimes your device turns itself off while
charging
• Disconnect the device from the charger, remove and
reinstall the battery, and try charging again.
• The battery terminals may be dirty. Wipe both gold-
coloured contacts with a clean and soft cloth and try
charging the battery again.
• If the battery no longer charges completely, dispose of
the old battery properly and replace it with a new
battery.
• If you are using the PC data cable to charge the
battery, install ActiveSync on your computer first.
Your device is hot to the touch
When you use applications that require more power,
your device may heat up. This is normal and should not
affect your device's lifespan or performance.
Your device cannot connect to the internet
• Ensure that you have entered valid settings for your
internet service provider.
• Ensure that you have activated the wireless
connection to your mobile service provider and that
the signal is not obstructed.
• Ensure that you have entered the correct user name
and password.
98