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Sland

I bought the Z1 Compact because the battery life was amazing. At the end of a day (about 7pm) I would still have over 60% battery life. Since upgrading to Android 5 my phone is worse than an iPhone, I am down to about 30% by 5pm. I have pressed the orange button by the sim, I have enabled every power saving option going apart from the ones that completely castrate the phone and there is no improvement. Not only that but it seems to only run 1 core of the CPU making it completley sluggish and frequently non responsive. Android 5 an upgrade? No way it is 10 steps backward. Please provide detailed and accurate instructions to allow me to revert to 4.4.4.

Leeboy008

Update on my issue with battery drain.

I discovered after the recent update of Android my Hotmail notification was set to push and when in the settings page I could see it update every second, so I have adjusted this to update every thirty mins. At 7pm tonight my battery is at 74% result back to normal and a simple fix.

Hope this helps

XperiaMonkey

I'm having the same issues as described here - phone shuts down despite reporting plenty of battery left. It then won't turn back on due to no battery but, after a couple of minutes on charge, turns back on reporting the original battery levels... Started happening after lollipop upgrade and hasn't been fixed in 270. Very unhappy about it, and very disappointed that no one from Sony has picked this thread up. Even if using PCC will fix it (which many report doesn't work) I don't want to have to flash my phone!

XperiaMonkey

Here's a screen shot of the problem. See how it dropped from 50% charge to zero with just enough time to display the 'battery low, shutting down message'? Within seconds a charger was plugged in and I turned it on to find 14% battery, which is neither the 50% it had when it died nor the 0% that would legitimately make it shut down. It seems to be making it up as it goes along!

Interestingly it seems to think that my mail app (K9) has used 49% of the battery since the last charge, which is just crazy! Perhaps there's something going wrong within the OS's email service to cause these issues?? Sony?

SalsaleroDoming

I solved my battery drain issues, although I did not have the 'sudden drop' issue, just less juice than on KitKat. I noticed that Wifi was always on, even when I switched my WiFi off over night. So WiFi drained my battery slowly even as it was turned off. On top of that I had stamina mode on so it should not have been on all the time. (you can see it on the screenshot)

I reported this on xda and found out that there's an option switched on that makes your WiFi work constantly - even when 'switched off'. I turned that off and battery life improved massively!
Go to Settings / Wi-Fi / Advanced / and switch 'Scanning always available' off. I solved my battery issues that way.

Sland

@SalsaleroDominguez wrote:
I solved my battery drain issues, although I did not have the 'sudden drop' issue, just less juice than on KitKat. I noticed that Wifi was always on, even when I switched my WiFi off over night. So WiFi drained my battery slowly even as it was turned off. On top of that I had stamina mode on so it should not have been on all the time. (you can see it on the screenshot)
I reported this on xda and found out that there's an option switched on that makes your WiFi work constantly - even when 'switched off'. I turned that off and battery life improved massively!
Go to Settings / Wi-Fi / Advanced / and switch 'Scanning always available' off. I solved my battery issues that way.

That setting was already turned off for me

Chris-taylor

How do I reinstall using the Sony Bridge for Mac Software?

Aageman

UPDATE!!!!

I now have a working Lollipop powered Z1C!!

It seems that numerous factory-resets (7) did the trick for me! But in between the resets I tried to force the phones battery reading closer to 0% in steps like this!

When it abruptly shut down at 50% I plugged it in the charger, for a few minutes, started it up againg (55%) and then it suddenly started going further down in batteryreading before shutdown! First at around 40%, did the same again and it didn´t shutdown, still witout a notice, before it was at 25%! All over again and now I managed to get the 15% low battery warning! Eventually it managed to "not" shutdown before it had reached 0% battery reading, and voila, at last a working Z1C Lollipop

Apart from the obvious Z1C Lollipop battery bug, i have noticed the following! Suddenly a new menu-entry showed up in settings "Xperia Connectivity", just below "Data usage", and at a later factory reset, yet another menu-item called "Tap & pay" just below the new "Users" menu-item suddenly showed up!

Now my battery is working, and working really good, slightly better than with KitKat, I just hope that I have all the menu-items, because now I have had enough, of all that resetting!

I hope this entry will help some of you guys, struggling with the battery-issue!!

Cheers

Gert

Denmark

PS: Sony, I´m still disappointed with you!!!!!

yanivz1

after the lolipop update mu batarry works fine till 40-50% then drops to dead.

what to do?! the battrys health is good when checkted

ChrisMCP1

Could you go to Settings > Wi-Fi > Menu button (top right corner) > Advanced > If "Scanning always available" is enabled, disable it and charge the phone to 100% again to see if same behaviour appear.

It does work in my case, but the phone is still warm or rather wormer than with kitKat. Besides I use autodiscover alot when switching between LTE to wifi when I'm at home, doing it manually is silly. I'm back to kitkat, screw it, I'm tired of being a lab rat for sony.

Lupio

After the new software upgrade the phone battery has some problems. Last night battery passed from 17% to 1% and then it switched off. Could anybody help me?