This is a monumental cock-up. Failing to install properly is bad. Corrupting firmware and needing recovery is terrible. Bricking handsets altogether is inexecusable. Who on earth wants to schlep into a store to get a new handset just because Microsoft and Samsung screwed something up? In spite of the handsets being available for four months now, in spite of having a month or more to test the update, it doesn’t actually work.
Problems for Microsoft’s first patch for Windows Phone 7—actually merely an update to update the phone’s update process—in which it either may have been blocked by carriers, fails to install, corrupts the firmware, or bricks the phone altogether. Teething problems to be sure, but most unfortunate.