Nokia 002Q944 5230 User Guide - Page 146

Q: How do I calibrate the screen?, not valid yet when I am installing a downloaded application?

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Q: How do I calibrate the screen? A: The screen is calibrated at the factory. If it is necessary to recalibrate the screen, select Menu > Settings and Phone > Touch input > Touch screen calibration. Follow the instructions. Q: Why do I get the error message Expired certificate or Certificate not valid yet when I am installing a downloaded application? A: If Expired certificate or Certificate not valid yet is displayed, even if the certificate should be valid, check that the current date and time in your device are correct. You may have skipped the setting of date and time when starting the device for the first time, or the mobile network may have failed to update these settings to your device. To resolve this, select Menu > Settings and Phone > Phone mgmt. > Factory settings. Restore the factory settings, and when the device restarts, set the correct date and time. 144 © 2009 Nokia. All rights reserved.

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Q: How do I calibrate the screen?
A: The screen is calibrated at the factory. If it is necessary to recalibrate the screen,
select
Menu
>
Settings
and
Phone
>
Touch input
>
Touch screen
calibration
. Follow the instructions.
Q: Why do I get the error message Expired certificate or Certificate
not valid yet when I am installing a downloaded application?
A: If
Expired certificate
or
Certificate not valid yet
is displayed, even if the
certificate should be valid, check that the current date and time in your device are
correct. You may have skipped the setting of date and time when starting the device
for the first time, or the mobile network may have failed to update these settings
to your device. To resolve this, select
Menu
>
Settings
and
Phone
>
Phone
mgmt.
>
Factory settings
. Restore the factory settings, and when the device
restarts, set the correct date and time.
© 2009 Nokia. All rights reserved.
144