I just instaled No Lock. Went into it, clicked the icon on the main screen and exited. Turned the phone off with power button, pressed power buton again and there was no lock.
It worked with no problems.
OT MaxDB, CD1, CD5, J5, GD96, ME45, T68i, X6, CX65, A925, E398, MPx200, X6-2, OT715, D600E, W810, M600i, BB8100, W880, N95-2, P1i, Ignito, W880, X1, MS1, MS2, TP851, XT910, GTab 10.1, SGS3, Galaxy S4, Galaxy Note 10.1