Nokia 6103 User Manual

Web
69
English
Certificates
Important: Note that even if
the use of certificates makes
the risks involved in remote
connections and software
installation considerably
smaller, they must be used
correctly in order to benefit
from increased security. The
existence of a certificate
does not offer any
protection by itself; the
certificate manager must
contain correct, authentic,
or trusted certificates for
increased security to be
available. Certificates have
a restricted lifetime. If
Expired certificate or
Certificate not valid yet is
shown even if the certificate
should be valid, check that
the current date and time in
your device are correct.
Before changing any
certificate settings, you
must make sure that you
really trust the owner of the
certificate and that the
certificate really belongs to
the listed owner.
There are three kinds of certificates:
server certificates, authority
certificates, and user certificates.
You may receive these certificates
from your service provider. Authority
certificates and user certificates may
also be saved in the security module
by the service provider.
To view the list of the authority or
user certificates downloaded into
your phone, select Menu > Web >
Settings > Security settings >
Authority certificates or User
certificates.
The security indicator is
displayed during a connection, if the
data transmission between the
phone and the content server is
encrypted.
The security icon does not indicate
that the data transmission between
the gateway and the content server
(or place where the requested
resource is stored) is secure. The
service provider secures the data
transmission between the gateway
and the content server.
Digital signature
You can make digital signatures with
your phone if your SIM card has a
security module. Using the digital
signature can be the same as signing
your name to a paper bill, contract,
or other document.
To make a digital signature, select a
link on a page, for example, the title
of the book you want to buy and its
price. The text to sign, which may
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Nokia 6103 Specifications

General

Display type	TFT
Display resolution	96 x 65 pixels
Display number of colors	4096 colors
External display number of colors	65536 colors
Internal memory	4.2 MB
Flash card support	No
Rear camera	Yes
Rear camera resolution	640 x 480 pixels
Networking type	GSM
Operating frequency	850/1800/1900 MHz
USB 2.0 ports quantity	1
Multimedia Messaging Service (MMS)	Multimedia Messaging Service (MMS) is a standard way to send messages that include multimedia content to and from a mobile phone over a cellular network
Ringer type	Polyphonic
Form factor	Clamshell
Personal info management (PIM)	Alarm clock, Calendar, Countdown timer, Notes, Stopwatch, To-do list
Product color	Blue
Battery type	BL-4C
Talk time (2G)	4 h
Battery capacity	820 mAh
Standby time (2G)	350 h
Data network	EDGE, GPRS, HSCSD

Weight and Dimensions

Depth	85 mm
Width	45 mm
Height	24 mm
Weight	97 g