: The Nokia 6600 uses an early form of digital signing. If an installation fails due to an expired certificate, go to Tools > Settings > Date & Time and change the phone's year back to 2004 or 2005 . Install the theme, then change the date back to the current year.
Unlike modern wallpapers, a true Nokia 6600 theme changed the entire user interface: nokia 6600 themes free download top
Symbian files are time-stamped. If a theme refuses to install due to an expired digital signature, navigate to and roll the phone's system clock back to 2004 or 2005 . Run the installer again, then correct the date afterward. "Required Application Component Missing" : The Nokia 6600 uses an early form of digital signing
You can move the theme file to your phone using three primary methods: Unlike modern wallpapers, a true Nokia 6600 theme