以下轉自xperiablog
http://goo.gl/zIHlf8
按照網頁說明是解決google服務耗電的問題
過不久應該就可以更新了
mibro wrote:
開始以訛傳訛了把Go...(恕刪)
以訛傳訛
http://www.xperiablog.net/2014/06/05/sony-acknowledges-xperia-z-kitkat-battery-woes-provides-workaround/
We have investigated the issue with Google Play Services using a lot of battery and we have identified that the root cause of this is related to the latest version of Google Play Services (4.4.52).
Until a new version of Google Play Services is provided by Google we urge users to either uninstall the latest update of Google Play Services (might limit use of Google Services like YouTube) or go to Settings > Google (accounts) > Ads > Tick the box for Opt out of interest-based ads and also disable back up of your data by going to Settings > Backup & reset (Personal) > uncheck the box for “Back up my data”.
換句話說，連官方都說是因為Google Play Service所導致的問題，目前的解決方法只有先暫時停用google play，不要安裝最新版本的Google Play...
其他的方式是：
設定>帳號>GOOGLE>廣告>停用按照興趣顯示的廣告(勾選)
設定>個人>備份與重設>備份我的資料(取消勾選)
先這樣做，等新的韌體出來後修正再改回來。
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