Lockout code too many attempts to unlock the phone . now its locked . but no internet connection on the phone .

If you have no google account linked to the phone and you have no internet, you may have to do a hard reset http://www.hard-reset.com/samsung-galaxy-ace-duos-s6802-hard-reset.html here is kind of a guide (its not the best (the info is near the bottom)) or you can take it to a phone shop and they will be able to unlock it.

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