Official OS 18.104.22.1687 for the BlackBerry Curve 9350/9370 from Sprint
Sprint has officially released OS 22.214.171.1247 for the BlackBerry Curve 9350/9370. While this is an official release, remember to use caution when updating your device. If you need help along the way, you can head into our help forums or check out some of our BlackBerry 101 articles including How to Install or Upgrade to a new OS. If you do install this OS, hit up the forums thread below for findings, fixes and more discussion.
Download OS 126.96.36.1997 from Sprint
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