https://community.sony.com.mk/t5/xperia-archive/xperia-st21i-lock-switch-problem/m-p/3176071#M342493 <P>hi</P><P>my xperia st21i geting probem in when i switched lock through on/off button it is switching off then i have to remove the battery then insert it will work instantly it is not on by on/off switch</P><P>meanwhile if i kept in ideal automatically screen gets black again i have to remove battery insert it will on same on/off switch is not working . i was disabled in power saving mode also.</P><P>please help me to recover from this problem&nbsp;</P> Thu, 06 Feb 2014 16:00:13 GMT rammah 2014-02-06T16:00:13Z https://community.sony.com.mk/t5/xperia-archive/xperia-st21i-lock-switch-problem/m-p/3176071#M342493 <P>hi</P><P>my xperia st21i geting probem in when i switched lock through on/off button it is switching off then i have to remove the battery then insert it will work instantly it is not on by on/off switch</P><P>meanwhile if i kept in ideal automatically screen gets black again i have to remove battery insert it will on same on/off switch is not working . i was disabled in power saving mode also.</P><P>please help me to recover from this problem&nbsp;</P> Thu, 06 Feb 2014 16:00:13 GMT https://community.sony.com.mk/t5/xperia-archive/xperia-st21i-lock-switch-problem/m-p/3176071#M342493 rammah 2014-02-06T16:00:13Z https://community.sony.com.mk/t5/xperia-archive/xperia-st21i-lock-switch-problem/m-p/3176072#M342494 <P>I do not really understand your issue.Do you use lock screen apps?Task killers?</P> Thu, 06 Feb 2014 16:11:27 GMT https://community.sony.com.mk/t5/xperia-archive/xperia-st21i-lock-switch-problem/m-p/3176072#M342494 _alexdon_ 2014-02-06T16:11:27Z