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After update battery usage grown exponentially. It lose 30% in the night with turned on Airplane mode and screen switched off. My phone usage behaviour wasn't changed, but battery become empty faster. What can I do?
Check whether your location setting is turned on by going to setting > location. Switch it off if you are not using map. Also go to setting > account under Google Now (blue icon) to uncheck all auto sync or keep those items you want the phone to keep syncing. This should help you save power.
Ok, I switched off all services except Calendar and Contacts. Now I'm waiting for effect 
I only learnt of this yesterday and can say it's the biggest discovery on why the phone is so poor on battery life. Tell us your experience.
Welll, I'm using my phone for four days now and I still can't belive that! 😐
It's really cool!
After disabling Google Now, everything works cool! GPS is on, location services is on... 
I upgraded with the help of Sony PC Companion to the official Jelly Bean (Android 4.1.2) Thursday June 20. In the evening I did put my Xperia S on the charger, because it was empty.
In the morning on Friday HJune 21, the charging light was still red and the phone was NOT charged at all. In fact he was dead. The hard reset (power with volume up) did work, but as the battery is as empty as could be that only helps for 30 seconds. It shuts off immediately.
I will have to send my Xperia S in to Sony Benelux now for repair and will have to cope with my old HTC from 2009 again for some weeks 😞
No internet, no Whatsapp, only voice calls and sms....Very annoying running a webshop, like I do...
So weird to wait for months for Jelly Bean and than having this bad experience...;-(
Anyone else with the same problem after upgrading to Android 4.1.2?
Peter Otte
Phonextra.nl
I signed in this morning to start a new thread about my battery life
It sucks!!!
Just updated my phone to jelly bean
idk what the hell is wrong with that phone
battery life is so short
I went to sleep my phone was 84% when I woke up it was 37% and I only slept for 5 hours
no any kind of connections
no anything!! :-S
Please provide the following screen print: Settings>Account>Google (blue icon). Settings>Location. Settings>App>Running.