My battery life with 5.1.1 was just terrible and I got battery drops with it sometimes 2 or 3 times a day. It droped 5% out of nowhere. I did use Emma to clean flash the phone so I was not expecting that. So for the first time I had to downgrade the phone to 5.0.2 to get normal battery life and everything looks ok except the part that my phone do not have latest security updates and 6.0 is unclear or better say mistery. If 5.1.1 is the last update for z1 compact I am done with sony and going back to nexus.
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