If you're a Sprint Tour owner and haven't made the jump to OS 5.0 just yet, you're in luck. Sprint has released OS 4.7.1.57 for those of you still on the stock OS. This is an official release, but it looks like only current Sprint customers can get the upgrade through Desktop Manager. Reports have come in that various aspects have been improved, so be sure to leave a comment and let us know your findings.
Download Sprint OS 4.7.1.57>> Discuss OS 4.7.1.57 in the forums>> Instructions: How to Upgrade Your BlackBerry's Operating System >>CrackBerry.com's feed sponsored by ShopCrackBerry.com. Sprint Officially Releases OS 4.7.1.57 for Tour 9630
Source : http://crackberry.com/sprint-officially-releases-o...