https://community.sony.lu/t5/c-series/battery-decharging/m-p/3601257#M7271 <P>After 70%charge,mobile has switch off. Then mobile is not on.</P> Sun, 22 Jul 2018 13:20:53 GMT 19931 2018-07-22T13:20:53Z https://community.sony.lu/t5/c-series/battery-decharging/m-p/3601257#M7271 <P>After 70%charge,mobile has switch off. Then mobile is not on.</P> Sun, 22 Jul 2018 13:20:53 GMT https://community.sony.lu/t5/c-series/battery-decharging/m-p/3601257#M7271 19931 2018-07-22T13:20:53Z https://community.sony.lu/t5/c-series/battery-decharging/m-p/3601258#M7272 <P><A href="https://community.sony.co.uk/t5/user/viewprofilepage/user-id/1172746">@19931</A></P><P>I'm sorry to hear that, something similar happened to me yesterday but with a different older Xperia, this is what you should try:</P><P>connect the phone to a wall charger &gt; press and hold power &amp; volume up for 10 seconds &gt; let it charge for 1-2 hours &gt; try to turn it on</P><P>As for my Xperia, I think I need a new battery.</P> Sun, 22 Jul 2018 19:46:22 GMT https://community.sony.lu/t5/c-series/battery-decharging/m-p/3601258#M7272 Uliwooly 2018-07-22T19:46:22Z