crwdns2933897:0crwdne2933897:0

How do you change emails

i was given a zte android phone that someone forgot the email and password so how do you reset that? i already factory reset but that didn't remove email on file for devise

crwdns2934089:0crwdne2934089:0 crwdns2934093:0crwdne2934093:0

crwdns2934109:0crwdne2934109:0

crwdns2853045:0crwdne2853045:0 crwdns2853046:0crwdne2853046:0
crwdns2889612:0crwdne2889612:0 0
crwdns2934285:0crwdne2934285:0