![background image](http://html.mh-extra.com/html/samsung/sgh-d840/sgh-d840_user-manual_1190150102.webp)
100
Solve problems
• Be sure that you are accessing the
correct cellular network.
• Be sure that you have not set an
incoming call barring option.
Your correspondent cannot hear you
speaking
• Be sure that you have switched on the
microphone.
• Be sure that you are holding the phone
close enough to your mouth. The
microphone is located at the bottom of
the phone.
The phone starts beeping and
“Warning. Low battery” flashes on the
display
• Your battery is insufficiently charged.
Recharge the battery.
The audio quality of the call is poor
• Check the signal strength indicator on
the display (
). The number of bars
indicates the signal strength from strong
(
) to weak ( ).
• Try moving the phone slightly or moving
closer to a window if you are in a
building.
No number is dialled when you re-call a
Contacts entry
• Use the
Contact
list
menu to ensure the
number has been stored correctly.
• Re-store the number, if necessary.
The battery does not charge properly or
the phone sometimes turns itself off
• Wipe the charging contacts both on the
phone and on the battery with a clean
soft cloth.
If the above guidelines do not help you
to solve the problem, take note of:
• The model and serial numbers of your
phone
• Your warranty details
• A clear description of the problem
Then contact your local dealer or Samsung
after-sales service.
Summary of Contents for SGH D840
Page 1: ...SGH D840 User s Guide ...