Unlock Pattern - Xperia E5

[Cdb1]

Hi,

My phone was ok but suddently did not recognize the unlock pattern.  It recognize the Unlock Pattern in the startup process but when it finalice it get blocked and don't recognize it any more.

Y have tryed several ways to unblock it that I found in internet (including this site) but I did not  succeed.

Any help please !?

Thanks

C