https://community.sony.hr/t5/z-series/my-zr-randomly-restarts-to-lockscreen-when-in-sleep/m-p/3370012#M54062 <P>It has not restarted in a while now. Seems it was the taskkillercleaner.... haw newer had any problems with it beffore</P> Fri, 24 Apr 2015 20:18:31 GMT AndreasOlsson 2015-04-24T20:18:31Z https://community.sony.hr/t5/z-series/my-zr-randomly-restarts-to-lockscreen-when-in-sleep/m-p/3370006#M54056 <P>When sleeping it restarts to lockscreen. The problem started like two weeks ago. With stamina mode on it cant be a problem with a 3'dpartyapp.</P> Fri, 24 Apr 2015 18:55:37 GMT https://community.sony.hr/t5/z-series/my-zr-randomly-restarts-to-lockscreen-when-in-sleep/m-p/3370006#M54056 AndreasOlsson 2015-04-24T18:55:37Z https://community.sony.hr/t5/z-series/my-zr-randomly-restarts-to-lockscreen-when-in-sleep/m-p/3370007#M54057 <P>Can you boot in safe mode? There are apps that can overtake stamina:</P> <P><A href="https://community.sony.co.uk/t5/FAQ/How-to-boot-your-phone-into-safe-mode/m-p/348008#U348008" target="_blank">/t5/FAQ/How-to-boot-your-phone-into-safe-mode/m-p/348008#U348008</A></P> Fri, 24 Apr 2015 18:56:52 GMT https://community.sony.hr/t5/z-series/my-zr-randomly-restarts-to-lockscreen-when-in-sleep/m-p/3370007#M54057 _alexdon_ 2015-04-24T18:56:52Z https://community.sony.hr/t5/z-series/my-zr-randomly-restarts-to-lockscreen-when-in-sleep/m-p/3370008#M54058 <P>If it still happen while on safe mode, remove both the SIM and SD card and check again</P> Fri, 24 Apr 2015 18:57:21 GMT https://community.sony.hr/t5/z-series/my-zr-randomly-restarts-to-lockscreen-when-in-sleep/m-p/3370008#M54058 Uliwooly 2015-04-24T18:57:21Z https://community.sony.hr/t5/z-series/my-zr-randomly-restarts-to-lockscreen-when-in-sleep/m-p/3370009#M54059 <P>Its stable for now, got it into safemode. But how do I know what app is the bad one?&nbsp;</P> Fri, 24 Apr 2015 19:35:16 GMT https://community.sony.hr/t5/z-series/my-zr-randomly-restarts-to-lockscreen-when-in-sleep/m-p/3370009#M54059 AndreasOlsson 2015-04-24T19:35:16Z https://community.sony.hr/t5/z-series/my-zr-randomly-restarts-to-lockscreen-when-in-sleep/m-p/3370010#M54060 <P>If it's working fine on safe mode then it's a third party app acting up (not a preloaded app)&nbsp;</P> Fri, 24 Apr 2015 19:36:09 GMT https://community.sony.hr/t5/z-series/my-zr-randomly-restarts-to-lockscreen-when-in-sleep/m-p/3370010#M54060 Uliwooly 2015-04-24T19:36:09Z https://community.sony.hr/t5/z-series/my-zr-randomly-restarts-to-lockscreen-when-in-sleep/m-p/3370011#M54061 <P>Most probably you have an antivirus,task killer,something is acting up.</P> Fri, 24 Apr 2015 19:36:57 GMT https://community.sony.hr/t5/z-series/my-zr-randomly-restarts-to-lockscreen-when-in-sleep/m-p/3370011#M54061 _alexdon_ 2015-04-24T19:36:57Z https://community.sony.hr/t5/z-series/my-zr-randomly-restarts-to-lockscreen-when-in-sleep/m-p/3370012#M54062 <P>It has not restarted in a while now. Seems it was the taskkillercleaner.... haw newer had any problems with it beffore</P> Fri, 24 Apr 2015 20:18:31 GMT https://community.sony.hr/t5/z-series/my-zr-randomly-restarts-to-lockscreen-when-in-sleep/m-p/3370012#M54062 AndreasOlsson 2015-04-24T20:18:31Z https://community.sony.hr/t5/z-series/my-zr-randomly-restarts-to-lockscreen-when-in-sleep/m-p/3370013#M54063 <P>I hope it goes well.</P> Fri, 24 Apr 2015 20:23:09 GMT https://community.sony.hr/t5/z-series/my-zr-randomly-restarts-to-lockscreen-when-in-sleep/m-p/3370013#M54063 _alexdon_ 2015-04-24T20:23:09Z