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Approximate duration of downloading and installing BlackBerry Device Software updates over the wireless network

The duration of the BlackBerry Device Software update process depends on the type of update, size of the software update package, wireless network conditions, and network type.

Type of update	Size of update package	Approximate duration of download	Duration of installation for an average amount of BlackBerry device data (approx 12 MB)	Duration of installation for a large amount of BlackBerry device data (approx 25 MB)
platform update	500 KB	5 minutes	installing the wireless software update – 5 minutes	installing the wireless software update – 5 minutes
partial software update	8 MB	15 minutes	backing up the BlackBerry device data – 15 to 30 minutes installing the wireless software update – 30 to 45 minutes restoring the BlackBerry device data – 15 to 30 minutes	backing up the BlackBerry device data – 45 minutes installing the wireless software update – 30 to 45 minutes restoring the BlackBerry device data – 45 minutes
complete software update	15 MB	30 minutes to 2 hours	backing up the BlackBerry device data – 15 to 30 minutes installing the wireless software upgdate – 30 to 45 minutes restoring the BlackBerry device data – 15 to 30 minutes	backing up the BlackBerry device data – 45 minutes installing the wireless software update – 30 to 45 minutes restoring the BlackBerry device data – 45 minutes