Google will soon stop updating Play Services for phones running Android Jelly Bean – this covers all three versions, 4.1, 4.2 and 4.3 (API version 16 through 18, respectively). The lifeline hasn’t been cut yet, JB phones will receive one last update with version 21.30.99, which is scheduled fore release at the end of August. Jelly Bean was first announced in 2012, nine years ago. It brought major improvements such a Project Butter, which made the UI run smoothly (with vsync at 60 Hz). Other major additions include Google Now, the now-deprecated Android Beam, expandable notifications and...
Source: https://www.gsmarena.com/google_will_stop_updating_play_services_for_devices_running_android_jelly_bean-news-49967.php
