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The phone starts beeping and “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 Contacts feature 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.
Health and safety information
SAR certification information
THIS MODEL MEETS INTERNATIONAL
GUIDELINES FOR EXPOSURE TO RADIO
WAVES.
Your mobile phone is a radio transmitter and
receiver. It is designed not to exceed the limits for
exposure to radio waves recommended by
international guidelines. The guidelines were
developed by independent scientific organisation
ICNIRP and include margins designed to assure the
protection of all persons, regardless of age and
health.
This guidelines use a unit of measurement known as
Specific Absorption Rate, or SAR. The SAR limit for
mobile devices is 2.0 W/kg and the highest SAR
value for this device when tested at the ear was
0.601 W/kg.
*
As mobile phones offer a range of
functions, they can be used in other positions, such
as on the body as described in this User’s Guide.
**
In this case, the highest tested SAR value is
0
.
9
58
W/kg.
* The tests are carried out in accordance with international
guidelines for testing.
** For body worn operation, this model phone has been tested and
meets the RF exposure guidelines when used with a Samsung-
supplied or approved accessory designated for this product or
when used with an accessory that contains no metal and that
positions the handset minimum of 1.5 cm from the body.
Summary of Contents for SGH-Z400
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