Remove Google verification step in Samsung Galaxy J2 free or next step not work after format.
Google new Security features will ask you to verify your previous google Account which you were using in your j2 after formating with hard keys.
So what if you forget your account.
Here is the solution.
To Download .apk and read full Description.
http://man2gang.blogspot.in/2016/01/h...
how to format j2 with hard keys
• How To Format Samsung Galaxy J2
Thanks to rootjunkysdl.com
try below link if OTG cable is not working..
• How to Bypass Google Verification Step In ...