
BlackBerry Bold 9790
Find "Service Book"
Press the Menu key twice.
Press Options.
Press Device.
Press Advanced System Settings.
Press Service Book.
Delete service books
Highlight the required service book and press the Menu key.
Press Delete.
Press Delete to confirm.
Press the Return key.
Resend service books
Press Host Routing Table.
Press the Menu key.
Press Register Now.
Press OK.
Exit
Press Disconnect.
Press the Return key to return to standby mode.