Thank you for contacting Sony Xperia Support.ꀊ
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According to your inquiry, please go to settings>power management>battery usage, please kindly verify which item consumes battery most. If Google Play Service is the one which most consumes the power, please go to settings>apps>all>Google Play Service> Manage space>clear all data.
If the problem still persists, we suggest that you perform a repair phone via PC Companion. Please refer to the following link to download PC Companion:
http://www.sonymobile.com/global-en/tools/pc-companion/
Do not connect your phone to PC Companion in the beginning, go to PC Companion > Support zone > phone software upgrade > repair phone. Follow the instructions to finish the operation.
*Please back up your important data beforehand.ꀊ
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Thanks for contacting Sony Xperia Care. For any more inquiry you might have, please feel free to contact us again. We are always more than willing to be at your service. Xperia Care always offers you the best service.
简单翻译：
看看电池是那方面消耗能 为google服务
由设定 去清除google服务
不然就用pcc 修复手机去解决