https://community.sony.lt/t5/xperia-archive/forgot-pin/m-p/3328495#M451819 <P>You need to perform a system repair using&nbsp;<A href="http://www-support-downloads.sonymobile.com/Software%20Downloads/PC%20Companion/Sony%20PC%20Companion_Web.exe" target="_self" rel="nofollow noopener noreferrer">Pc Companion</A> - This will factory reset your phone<BR /><BR />Switch off your phone and unplug from Pc (Hold volume up and power for around 10 seconds)<BR />Start PC Companion and select Support zone then Update my phone/tablet then in Blue Repair my phone/tablet and follow the onscreen instructions - When prompted connect your phone still switched off holding volume down or back button - This should start the repair or reformat process<BR /><BR />If you are using Windows 8/8.1 or a 64bit operating system then adjust the settings for PC Companion and run in compatibility mode and chose Windows 7 or XP</P> Thu, 25 Dec 2014 14:50:50 GMT Thommo 2014-12-25T14:50:50Z https://community.sony.lt/t5/xperia-archive/forgot-pin/m-p/3328494#M451818 Just got my son a xperia e1 d2005 for Xmas and he's forgot his pin number for the screen lock. what do I need to do? Thu, 25 Dec 2014 12:39:25 GMT https://community.sony.lt/t5/xperia-archive/forgot-pin/m-p/3328494#M451818 shiloh_peace 2014-12-25T12:39:25Z https://community.sony.lt/t5/xperia-archive/forgot-pin/m-p/3328495#M451819 <P>You need to perform a system repair using&nbsp;<A href="http://www-support-downloads.sonymobile.com/Software%20Downloads/PC%20Companion/Sony%20PC%20Companion_Web.exe" target="_self" rel="nofollow noopener noreferrer">Pc Companion</A> - This will factory reset your phone<BR /><BR />Switch off your phone and unplug from Pc (Hold volume up and power for around 10 seconds)<BR />Start PC Companion and select Support zone then Update my phone/tablet then in Blue Repair my phone/tablet and follow the onscreen instructions - When prompted connect your phone still switched off holding volume down or back button - This should start the repair or reformat process<BR /><BR />If you are using Windows 8/8.1 or a 64bit operating system then adjust the settings for PC Companion and run in compatibility mode and chose Windows 7 or XP</P> Thu, 25 Dec 2014 14:50:50 GMT https://community.sony.lt/t5/xperia-archive/forgot-pin/m-p/3328495#M451819 Thommo 2014-12-25T14:50:50Z