https://community.sony.cz/t5/l-series/help-me/m-p/3252608#M4343 Thanks all<BR />I fixed it by deleting all certificates.<BR />Settings&gt;Security&gt;Clear credintials<BR /> Mon, 09 Jun 2014 18:54:17 GMT Essharnouby 2014-06-09T18:54:17Z https://community.sony.cz/t5/l-series/help-me/m-p/3252607#M4342 <P>Hi all</P><P>Help me i cant change screen lock to none, swipe, and face unlock</P><P><IMG title="Screenshot_2014-06-09-20-09-55.png" align="center" alt="Screenshot_2014-06-09-20-09-55.png" src="https://community.sony.co.uk/legacyfs/online/13791iA08B54BC42B79A69/image-size/original?v=mpbl-1&amp;px=-1" border="0" /></P> Mon, 09 Jun 2014 17:13:54 GMT https://community.sony.cz/t5/l-series/help-me/m-p/3252607#M4342 Essharnouby 2014-06-09T17:13:54Z https://community.sony.cz/t5/l-series/help-me/m-p/3252608#M4343 Thanks all<BR />I fixed it by deleting all certificates.<BR />Settings&gt;Security&gt;Clear credintials<BR /> Mon, 09 Jun 2014 18:54:17 GMT https://community.sony.cz/t5/l-series/help-me/m-p/3252608#M4343 Essharnouby 2014-06-09T18:54:17Z