Installing applications and
software
You can install two types of applications and software to
your smartphone:
• Applications and software specifically intended for the
Nokia 7710 or suitable for the Symbian operating
system. These installation files have the extension .SIS.
See “Installing software” on page 27.
• J2Micro Edition
TM
Java applications suitable for the
Symbian operating system. These files have the
extension .JAD or .JAR. Do not download
PersonalJava
TM
applications to your smartphone as
they cannot be installed. See “Installing JavaTM
applications” on page 27.
Installation files may be transferred to your smartphone
from a compatible computer, downloaded during
browsing, or sent to you in a multimedia message, as an e-
mail attachment, or via Bluetooth.
Genera
l informat
ion
27
Copyright © 2005 Nokia. All rights reserved.
Important: Only install applications from sources that
offer adequate protection against harmful software.
During installation, the smartphone checks the integrity of
the package to be installed. The smartphone shows
information about the checks being carried out, and you
are given options whether to continue or cancel the
installation.
For information on digital signatures and certificates, see
“Certificate manager” on page 102.