Today Google has officially unveiled the Android O Beta Program. Like the Android N Beta Program from last year, this will let anyone with a supported device test the next release of the operating system before its development is finalized. A Developer Preview of Android O has been out since March, but Google has advised non-developers not to risk running that, especially on essential handsets, because it was an early release so bugs are to be expected almost everywhere. The situation should be different with the beta builds, the first of which is expected to go out very soon. If...
Source: http://www.gsmarena.com/android_o_beta_program_debuts-news-25081.php