https://community.sony.no/t5/xperia-archive/down-battery/m-p/3448109#M518063 Hy guys... I have problem with my sony z1... It's power is very weak.Maybe because it's battery or other... Do you have a solution? Tue, 03 May 2016 13:13:27 GMT Syahrulnaghbomb 2016-05-03T13:13:27Z https://community.sony.no/t5/xperia-archive/down-battery/m-p/3448109#M518063 Hy guys... I have problem with my sony z1... It's power is very weak.Maybe because it's battery or other... Do you have a solution? Tue, 03 May 2016 13:13:27 GMT https://community.sony.no/t5/xperia-archive/down-battery/m-p/3448109#M518063 Syahrulnaghbomb 2016-05-03T13:13:27Z https://community.sony.no/t5/xperia-archive/down-battery/m-p/3448110#M518064 try to fully charge your battery to 100% and use normally until 15% go to settings&gt;battery usage&gt; take a screenshot of the apps listed click on the graph and take another screenshot and upload here in the forum <A href="https://www.androidpit.com/how-to-calibrate-the-battery-on-your-android-device" target="_blank" rel="nofollow noopener noreferrer">https://www.androidpit.com/how-to-calibrate-the-battery-on-your-android-device</A> or perform software repair using PC Companion Tue, 03 May 2016 13:44:14 GMT https://community.sony.no/t5/xperia-archive/down-battery/m-p/3448110#M518064 MarlonUk1 2016-05-03T13:44:14Z