From Ars Technica:

For instance, users that have jailbroken iPhones would like to have a modified version of iTunes that does not ask to update iOS when the device is plugged in, since the update might overwrite jailbreak modifications," Freeman said.

Try these:

No system hack necessary.

Another thought: We don’t normally include the serial comma in British English (the one before the ‘and’ in the second path above). Should localisation take conventions such as this into account?