connect WIFI,go to settings>storage>apps scroll down for google play services tap on this and tap on uninstall updates.
Finishing this open G+ app or google map it will prompt to update play services,tap to update.other option is tap to uninstall updates.
finishing this open chrome browser and type in google search box "google play services update" hit and see
in next page google play services icon tap here and in next page tap in play store icon,see notification for play services
update,tap to update.if not updating > uninstall updates,
finishing this open chrome browser, in google search box type "
www.apkmirror.com/apk/google-inc/google/
play/services/ " hit and see in next page latest version of play services tap on this then tap on play
store icon,see notification for play services update,tap to update.