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I have an iPhone 5s (iOS8.4) and an MBP 2012 (10.10.4). I had this problem since Apple introduced Airdrop.

I set bot the MBP and iPhone Airdrop to "everyone". MBP sees the phone and can send all sorts of files. The phone receives them fine, it prompts then I say yes. The other way it does not work. The iPhone does not see the MBP. However, if I try hard enough, (including hard resets) it ends up working.

Now iPhone 5s - iPad mini 2nd generation work like a charm, both ways, and so does iPad mini 2nd generation - MBP.

My questions are

  1. Is this expected? Does iPhone 5s have partial Airdrop support?
  2. In general, how does Airdrop work under the hood? Bluetooth? Ad-hoc wifi? Does it make a difference if the devices are on the same wifi network?
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  1. iPhone 5s has full AirDrop support, so the problem you're describing is strange, and something I don't have an explanation for.
  2. AirDrop for iOS uses both Wi-Fi (Direct) and Bluetooth technologies. AirDrop for OS X uses Wi-Fi (Direct) only.
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    what is Wi-Di ? – Ruskes Jul 21 '15 at 3:17
  • It seems I've confused Wi-Di (a wireless display technology) with Wi-Fi Direct. I'll correct myself above in a moment. Wi-Fi Direct is used to connect to another Wi-Fi Direct capable device without needing an access point. – Thomas Jones Jul 21 '15 at 21:30

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