1: backup your device with itunes
download tool http://sh.st/nWTfM
2: open itool 3 and go to tool = backup itunes manager
3:select your backup
4; go to /var/mobile/Library/Accounts/Accounts3.sqlite
5: open “Accounts3.sqlite ” and put in rechreche “icloud” or “apple” or any email domain name
you see the apple id & icloud id or email
you can find any email like gmail .hotmail.yahoo.