Sprint has edged out Verizon by releasing an update to the BlackBerry Curve 8530 first. The latest from Sprint is now OS 188.8.131.525 spotted by BBRocks. No word yet on what it improves or breaks so let us know in the comments.
Please confirm in the comments if this works for you
NOTE: Don’t forget to delete the vendor.xml file located in c:program files>common files>research in motion>apploader to install it on a different carriers device.