I'm Using Sony Xperia P with Android 4.1.2. Can anyone tell what's this icon (one with small T) to the left of battery bar? Is it any application based?

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  • I remember a similar question was asked here a while ago (Can someone identify this icon (looks like a ear) in the notification bar?). Not sure about the T, but the symbol it's connected to is an ear (not with a cigarette behind, no), standing for some accessibility aid (hearing impaired?). I cannot say for sure, but tend to assume it's not application based (but provided by the system itself). Though an app could create a similar looking notification, admitted.
    – Izzy
    May 9, 2014 at 21:09

2 Answers 2


That symbol isn't Android-specific: it's the symbol for a hearing aid induction loop. Some landline telephones have an induction loop that transmits the phone audio directly to the hearing aid, so that hearing aid users can hear the phone call better than they would otherwise. The T stands for "telephone": because the induction loop system originated on landline phones, using the facility requires switching the hearing aid to "telephone mode", usually by flipping a physical switch to a position marked with a T.

It seems your phone has the same facility. The fact the icon is on the right with the "system" icons, instead of on the left with the notifications, shows that it's a part of the OS, not an app. I can't say for sure as I don't have your phone, but I expect you can turn it off in the device's accessibility settings.

  • Yep it indeed was a hearing aid notification from call settings
    – pxm
    May 9, 2014 at 22:13

This symbol was frustrating me,

on my phone I managed to turn it off with this setting

  • Settings --> Call --> Accessibility --> Hearing aids (turn off)

I have no idea how it got turned on in my phone, probably some sort of elaborate 'pocket dialing'.

(Android version 6.0.1 - Marshmallow)

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