Nokia n81 User Guide - Page 99

Notes, Application manager, Install applications and software

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Applications Note: This calculator has limited accuracy and is designed for simple calculations. Notes To write notes in .txt format, press Applications > Notes. , and select Application manager Press , and select Applications > App. mgr.. You can install two types of applications and software to your device: • J2METM applications based on JavaTM technology with the extension .jad or .jar ( ). • Other applications and software suitable for the Symbian operating system ( ). The installation files have the .sis extension. Only install software specifically designed for your Nokia N81. Software providers will often refer to the official model number of this product: the Nokia N81-1. Installation files may be transferred to your device from a compatible computer, downloaded during browsing, or sent to you in a multimedia message, as an e-mail attachment, or using Bluetooth connectivity. You can use Nokia Application Installer in Nokia Nseries PC Suite to install an application to your device. Install applications and software indicates a .sis application, a Java application, that the application is not fully installed, and that the application is installed in the mass memory. Important: Only install and use applications and other software from trusted sources, such as applications that are Symbian Signed or have passed the Java VerifiedTM testing. Before installation, note the following: • To view the application type, version number, and the supplier or manufacturer of the application, select Options > View details. To display the security certificate details of the application, in Certificates, select View details. See 'Certificate management', p. 116. • If you install a file that contains an update or repair to an existing application, you can only restore the original application if you have the original installation file or a full back-up copy of the removed software package. To restore the original application, remove the application, and install the application again from the original installation file or the back-up copy. • The .jar file is required for installing Java applications. If it is missing, the device may ask you to download it. If there is no access point defined for the application, you are asked to select one. When you are downloading 99

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Applications
99
Note:
This calculator has limited accuracy and is
designed for simple calculations.
Notes
To write notes in .txt format, press
, and select
Applications
>
Notes
.
Application manager
Press
, and select
Applications
>
App. mgr.
. You can
install two types of applications and software to your
device:
•
J2ME
TM
applications based on Java
TM
technology with
the extension .jad or .jar (
).
•
Other applications and software suitable for the
Symbian operating system (
). The installation files
have the .sis extension. Only install software
specifically designed for your Nokia N81. Software
providers will often refer to the official model number
of this product: the Nokia N81-1.
Installation files may be transferred to your device from a
compatible computer, downloaded during browsing, or
sent to you in a multimedia message, as an e-mail
attachment, or using Bluetooth connectivity. You can use
Nokia Application Installer in Nokia Nseries PC Suite to
install an application to your device.
Install applications and software
indicates a .sis application,
a Java application,
that the application is not fully installed, and
that the
application is installed in the mass memory.
Important:
Only install and use applications and
other software from trusted sources, such as applications
that are Symbian Signed or have passed the Java Verified
TM
testing.
Before installation, note the following:
•
To view the application type, version number, and the
supplier or manufacturer of the application, select
Options
>
View details
.
To display the security certificate details of the
application, in
Certificates
, select
View details
. See
‘Certificate management’, p. 116.
•
If you install a file that contains an update or repair to
an existing application, you can only restore the
original application if you have the original installation
file or a full back-up copy of the removed software
package. To restore the original application, remove the
application, and install the application again from the
original installation file or the back-up copy.
•
The .jar file is required for installing Java applications.
If it is missing, the device may ask you to download it.
If there is no access point defined for the application,
you are asked to select one. When you are downloading