These are the official OS update for Blackberry Tour from several carries. You can get the OS from each carriers Blackberry download page. Be sure to delete the vendor.xml if the OS is not from your carrier.
Download BlackBerry Tour 9630 OS 4.7.1.61 From Bluegrass Cellular
Download BlackBerry Tour 9630 OS 4.7.1.61 From TBayTel
Download BlackBerry Tour 9630 OS 4.7.1.61 From Appalachian Wireless
Download BlackBerry Tour 9630 OS 4.7.1.57 From Bell Mobility
Instructions: How to Downgrade your BlackBerry’s Operating System
Instructions: How to reload the Operating System on a Nuked Blackberry
Instructions: How to Upgrade your BlackBerry’s Operating System
