Sir my phone that is samsung galaxy core 2 has not been log in to google account

[AC Question]

when i existing account nd sign in then following instructions aapear on my screen......can't establish a reliable connection to the server this could be a temporary prob or your android device may not provisional for data service

 

[Golfdriver97]

Welcome to the forums. It may be a server issue. Have you tried different internet connections like connecting to wifi and trying again?