RIM has yet to officially release the 4G BlackBerry PlayBook, but for those of you that have a test model you will be happy to know that RIM is rolling out an OS update to v188.8.131.528! As of now there is no change log available for this updated. This update is still way below the current beta OS 184.108.40.2060 that was pushed out to developers a month or so ago for the WiFi ONLY PlayBook.
This update is ONLY for the 4G PlayBook and NOT the WiFi only model, so please don’t get confused. If you have a 4G PlayBook and notice something different please feel free to let us know in the comments!
Source: BlackBerry -FR