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fefepato

I need help with this. Last night i left my phone at 100% and Stamina Mode On, but after 6 hours the battery go down until 82%(6 hours and 37 min sleeping). I made the same experiment but in "Only 2G" mode and the battery go from 100% to 98%. So, it's not normal to me that battery performance in 3G. I've made some screenshots and as you can see, the process com.sonyericsson.android.wakeup, has to many wakes. I read about this en xda-forum and is seems to be related whit Fast Dormancy. So, i need help trying to do somthing with this problem.

Also this problem cause that Stamina Mode doesn't show good estimated time for stand by mode. I mean, Stamina Mode works(disable data connections) but there's no differences between have data or not, the phone consume the same battery.

PS: Sorry my bad english.

Shadobli

I am having that exact problem with the Xperia Z1. I've googled a bit and I suspect it has something to do with "fast dormancy" on 3g.

fefepato

Up!

And one thing. When i flash another Baseband the problem is solved for 1 or 2 days. Then it's back again.

spixel

Try use 2g all the time and see if drain comes back.

My phone has the same problem but I'm using 2g only. I have tried factory reset but still battery drains quickly in standby with no obvious cause.

Maybe its not related to 3g and it was just luck before that it went from 100 to 98.

fefepato

Yes, there's no problem with 2G, but 2G is too slow when data is activated.

I want 3G!!!

ogu

I had the same problem with 4.1 now with 4.3 it got better but I disabled stamina mode and before sleep I turn off the data traffic and stay on wcdma only. I consumes ~%5 overnight. The wakeup app still does around 5 thousand wake ups, though.

Theliakos

ok guys tried everything the fact is android os is going to 83 % why ????? it so much !!

Manishchhabria

I dont have any problem when stamina mode is on nd the phone is in the idle mode. I loose just 1% of the battery or not even tht when the phne is idle nd stamina mode is on even after 7-9hrs. But when i used the phne on 3g for browsing or watching movies thr battery drains very fst. I get only 3-4hrs of battery.
Is it normal?

Plz rply ASAP..

fefepato

That definitely is not normal. The battery should be enough to reach at least 5 hours of screen

Musarch

I've had a chat with one of sony agents and I asked him about battery draining issue and he admitted that there is such problem with new update 205 and the reasone is adding some futures to this new update to improve the phone performance.

I have this problem too , but it take place when I'm using WIFI ! and in standby with stamina mode every thing is normal!