After recently updating my phone1, the following arrows above the cellular signal strength indicator and WiFi icon appear periodically.

enter image description here

What do they indicate?

1OS version: 8.10.14176.243

  • to clarify, I think those arrows only apply to Nokia Lumia with Cyan Firmware update. – Vitor Canova Sep 30 '14 at 10:45
  • @VitorCanova Nope, they were added in GDR3, although apparently some operators (like AT&T in the US) disabled the feature. – Indrek Sep 30 '14 at 11:03
  • @Indrek I had the GDR3 for a long time. I'm currently in Dev preview and those arrows only appeared after last week update when I received Cyan. My daughter and Wife too. – Vitor Canova Sep 30 '14 at 16:32
  • Perhaps that's when your carrier enabled the feature, then, I don't know. See the link in my answer, it says the arrows were added in 8.0.10501.127, which is GDR3 (see en.wikipedia.org/wiki/…). WPCentral also ran a story on this after Lumia Black started rolling out, well before 8.1 or Cyan became available in any form. – Indrek Sep 30 '14 at 16:35
  • Interesting. At the same time I also updated to Lumia Cyan (by temporarily disabling the Preview for Developers). Perhaps it coincided with my carrier switching on this feature. – Ben Oct 1 '14 at 1:17

Those icons mean that your mobile or WiFi connection is being used to transfer data.

For more information, see What do the icons on my phone mean?

  • I don't think so. I took s screen shot with my phone saying "no service" and those arrows are still there. Looks like they mean "something is trying to use this network". – Vitor Canova Sep 30 '14 at 10:44
  • That's what the official docs say. Maybe you were still connected to WiFi? I can't test the "no service" scenario, but if I turn off WiFi and mobile data, the arrows don't show up and apps complain about not having an internet connection. – Indrek Sep 30 '14 at 11:03
  • That screenshot is showing service – Rowland Shaw Sep 30 '14 at 11:25
  • @RowlandShaw Mine not. Should I post a different questions? I have a screenshot where it says "No service" and I have the sign. – Vitor Canova Sep 30 '14 at 16:44
  • I suppose you can still transmit when you can't hear the tower (or wifi); Only yesterday I was able to send an SMS when the signal was so poor that it was showing as no network signal - I interpret that as "you wouldn't stand a chance of making a call") – Rowland Shaw Sep 30 '14 at 17:41

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