It is on a Sony Xperia T. The first icon from the left that looks like a battery in hands. I checked the manual and asked around. No one knows... There is no information when I drag down the Notification Area.


According to the Xperia Z manual, that icon indicates that "Stamina Mode" is active.

I don't see it in the Xperia T manual, so I'm guessing that there was a recent update to your device that added that feature.

  • This is definitely right track. Thanks. On my phone I must have enabled it. It is called "Extended Standby Mode" and functionally it's the same as Stamina but with only ON/OFF option - no customisation.
    – ivenhov
    Jan 2 '14 at 22:58

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