https://community.sony.com.mk/t5/xperia-archive/stamina-mode/m-p/3212184#M369026 It seems to me stamina mode does not preserve the battery as efficient as it used to since last update.<BR />Has someone else encountered this? Wed, 30 Apr 2014 19:46:10 GMT Cottontail 2014-04-30T19:46:10Z https://community.sony.com.mk/t5/xperia-archive/stamina-mode/m-p/3212184#M369026 It seems to me stamina mode does not preserve the battery as efficient as it used to since last update.<BR />Has someone else encountered this? Wed, 30 Apr 2014 19:46:10 GMT https://community.sony.com.mk/t5/xperia-archive/stamina-mode/m-p/3212184#M369026 Cottontail 2014-04-30T19:46:10Z https://community.sony.com.mk/t5/xperia-archive/stamina-mode/m-p/3212185#M369027 <P>Try to reset it: disable stamina,go to settings-apps-all-eco mode controller,force stop and clear data.Restart your phone.</P> Wed, 30 Apr 2014 19:48:20 GMT https://community.sony.com.mk/t5/xperia-archive/stamina-mode/m-p/3212185#M369027 _alexdon_ 2014-04-30T19:48:20Z