https://community.sony.bg/t5/m-series/battery-life-for-sony-m4/m-p/3399650#M8418 <P>hello everybody !!! i was update build 26.1.b1.102 to build 26.1.b2.102 then i feeling my sony m4 has very big trouble . after <SPAN class="short_text"><SPAN class="hps">charging</SPAN></SPAN> the cell phone 100% ,but in 2 minuter down 2% battery !!! build 26.1.b2.102 very bad for battery life .&nbsp; please help me fix this trouble . THANKS ALL !!!</P><P>my screen in battery report is 39% (i was turn off my screen light to 0%)</P><P>android system in battery report is 24%</P> Thu, 06 Aug 2015 14:37:06 GMT jamevuong 2015-08-06T14:37:06Z https://community.sony.bg/t5/m-series/battery-life-for-sony-m4/m-p/3399650#M8418 <P>hello everybody !!! i was update build 26.1.b1.102 to build 26.1.b2.102 then i feeling my sony m4 has very big trouble . after <SPAN class="short_text"><SPAN class="hps">charging</SPAN></SPAN> the cell phone 100% ,but in 2 minuter down 2% battery !!! build 26.1.b2.102 very bad for battery life .&nbsp; please help me fix this trouble . THANKS ALL !!!</P><P>my screen in battery report is 39% (i was turn off my screen light to 0%)</P><P>android system in battery report is 24%</P> Thu, 06 Aug 2015 14:37:06 GMT https://community.sony.bg/t5/m-series/battery-life-for-sony-m4/m-p/3399650#M8418 jamevuong 2015-08-06T14:37:06Z https://community.sony.bg/t5/m-series/battery-life-for-sony-m4/m-p/3399651#M8419 <P>Check this thread:&nbsp;<A href="http://talk.sonymobile.com/t5/FAQ/Facing-problems-with-abnormal-battery-and-shutdown/m-p/320375#U320375" target="_blank">http://talk.sonymobile.com/t5/FAQ/Facing-problems-with-abnormal-battery-and-shutdown/m-p/320375#U320375</A></P> Thu, 06 Aug 2015 14:37:58 GMT https://community.sony.bg/t5/m-series/battery-life-for-sony-m4/m-p/3399651#M8419 Samuel1 2015-08-06T14:37:58Z