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2016-05-31 10:21 AM - edited 2016-05-31 10:22 AM
same problems on my Z1 + Z
Very Battery Drain and CPU HOT Please Please Update ;(
2016-06-02 08:15 AM
I'd like to add some observations regarding fast battery drain on my Xperia ZR which might be useful to others.
After months of observation (have been having this problem since around March 2016), it seems to me that there are apps that simply don't work properly with ZR+Lollipop.
For the past few months my battery has either been draining too fast, charging too slow, or been reporting completely wrong charge levels. I've tried fixing it through a combination of reinstalling Android (via PC Companion), buying a new battery, as well as removing the battery for 5 minutes supposedly to fix the wrong battery level reporting.
From what I can see, some apps get the phone stuck in the "Awake" state even if the phone is idle and screen is off (I use the Power management -> Battery usage -> History details to check). I notice this because after "fixing" my phone and having my battery behave and discharge normally, I noticed that there were times it suddenly discharing fast when I ran an app. I have identified two apps so far:
And so now my modus operandi is to actively monitor my phone by always looking at the "Awake" state in the battery history info screen. Whenever I run an app then let the phone rest I look at that info again to see if that app got my phone stuck in the "Awake" state. Oh, and the phone gets fairly warm whenever it gets stuck in this state even if I'm not actively using it, so that's how I can tell sometimes if something's wrong.
A question to Sony tech support -- I heard that the best way to find out which apps keep the phone in the "Awake" state is to use any of the "Wakelock" monitoring apps. Unfortunately they require the phone to be rooted, which I don't want to be bothered to do. Is there any app from Sony which can do it without rooting the phone?
2016-06-04 08:42 AM
Just a follow-up on this -- it seemed to have worked to remove Yahoo Mail then installing it again. Battery drain was normal even after using Yahoo Mail again. So far then, I've found that Waze and Yahoo Mail were causing battery drain, and removing each app and reinstalling them seem to have worked for me.
2016-07-02 11:36 PM - last edited on 2016-07-02 11:54 PM by alexdon
still xperia team blind as bat and won't fix there own customers !!!! you take money for every xperia z phone and everyone expect for good support and smoth and non bug frimware update . sony come on ! fix xperia z lollibug (lollipop)issues
2016-07-02 11:47 PM
I don't think they will release any more updates for this phone.
If you have constant issues it's best to save yourself some headaches and just downgrade your software to last version that worked correctly on your phone (4.4.4 for me).
2016-07-14 10:45 AM
Two months after I did the update (what a foolish mistake), degrading ever since, now my battery behaves like it's physically damaged. Today the phone turned off in under 15 minutes after being charged all night.
This is incredible.
Do you guys at Sony really think I will rush to buy myself another xperia to be killed by another update in a year?
I've been using Ericsson, later Sony Ericsson, later Sony phones for like two decades and every next one was getting worse in terms of the software and support.
2016-07-31 06:56 AM
2016-08-09 10:11 AM
not really my batrie still drain fast in 08/2016 i lose 10% every 30 minutes when i use wifi connection ...how i can back to jelly bean ?