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What does the red square on the left side of the notification bar mean on the HTC Desire 510?
it only appears durring a call to my sister's cell phone. Does not appear durring any other call or other phone activity.
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I have the HTC 510 through Boost Mobile. I noticed the red square just a few weeks ago. I tried pulling the status bar, Carl P!
I think it appears only when I'm calling another Boost customer.
If anyone knows if this is accurate assumption, please reply. Thank you
What does the red square in the upper left hand corner mean during calls on my HTC 510 mean?