These updates are currently rolling out over the air. The rollout seems to have begun just today, so you might not have received a notification of its availability just yet. If that is the case, just hit the Download updates manually button in the Settings » About device menu and the update should start downloading right away. If you find anything new or changed other than the security patch date after installing the update, do let us know through the comments section.
Click here to read the rest of the article