Apple released beta 3 of iOS 10.3.2, watchos 3.2.2 and tvOS 10.2.1 only for the developers, If you installed the beta of these operating systems last week, just update via OTA to get any of these versions. The new beta for the three operating systems dedicated to iOS, tvOS and watchos corrects some bugs and improves overall performance without making any substantial innovation.
since Apple want to focus on improving iOS performance through iOS 10.3.2, however, this will be without more one of the latest versions just before iOS 11 arrives, or at least before they present it on the WWDC Which will take place this year, as all of the above. So, you will not find anything in the update note, Apple has focused on improving in the general scope how iOS moves with this third beta of iOS 10.3.2, so if you continue in this pace of updates, we would not seem That will arrive at its official version in the middle or end of the month of May for all the public.
In the previous official version a series of important features we all know were released, but in these beta versions released yesterday for developers not found new features, more than anything the classic bug fixes and improvements in system stability. So, if you want to test the beta, you can download the profile from here and install the profile for public betas, the fastest way.
Currently, the beta 3 are only available for developers. As you know, version of watchOS 3.2.2 comes from iOS 10.3.2, you will have to update Apple Watch application like any other from the iPhone, and have more than 50% battery. This update does not include any new features, beyond optimizations. Likewise, tvOS 10.2.1 has been limited to improving performance.