If you want to update without wiping (not a full flash), use (portable mode possible). However, a full flash requires an autoloader.
You're looking for a flash file for the BlackBerry Z30. blackberry z30 flash file portable
A known repository for legacy BlackBerry firmware. If you want to update without wiping (not
Double-click the downloaded Autoloader file on your computer. Connect Device: use (portable mode possible). However
To flash a BlackBerry Z30 Go to product viewer dialog for this item.