Back Up Data; Application Manager - Nokia E Serie Mode D'emploi

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.
To change the trust settings, select a certificate and
Options Trust settings. Select an application field and
>
press the scroll key to select Yes or No. You cannot change
the trust settings of a personal certificate.
Depending on the certificate, a list of applications that can
use the certificate is displayed:
Symbian installation — New Symbian operating system
•
application.
Internet — E-mail and graphics.
•
App. installation — New Java™ application.
•
Online certif. check — Online certificate status protocol.
•

Back up data

It is recommended to back up device memory regularly to the
memory card or a compatible computer.
To back up information from the device memory to a memory
card, select Menu Tools Memory
> >
up phone memory.
www.nokia.com/support
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To restore information from the memory card to the device
memory, select Menu
Restore from card.
You can also connect your device to a compatible computer
and use Nokia PC Suite to back up data.

Application manager

Select Menu Installat.
>
You can install two types of applications and software on your
device:
• Applications and software specifically intended for your
device or compatible with the Symbian operating system.
These software installation files have the extension .sis
or .sisx.
• Java ME™ applications compatible with the Symbian
operating system. The Java application installation file
extensions are .jad or .jar.
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
with Bluetooth.
During the installation, the device checks the integrity of the
package to be installed. The device shows information about
the checks being carried out, and you are given options to
Options Back continue or cancel the installation.
> >
If you install applications that require a network connection,
note that the power consumption of your device may
increase when you use these applications.
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Tools Memory Options
> > > >
App. mgr..
>
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