Re: [v6ops] Happy eyeballs suggestions, was: Re: Apple and IPv6, a few clarifications

Mikael Abrahamsson <> Thu, 25 June 2015 02:59 UTC

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Date: Thu, 25 Jun 2015 04:59:02 +0200 (CEST)
From: Mikael Abrahamsson <>
To: james woodyatt <>
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Subject: Re: [v6ops] Happy eyeballs suggestions, was: Re: Apple and IPv6, a few clarifications
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On Wed, 24 Jun 2015, james woodyatt wrote:

> Another aggravation regarding IPv6-only APNs on iOS is that an unlocked 
> iPhone is unable to use an IPv6-only APN. The only way in iOS to control 
> the type of the APN is with a provisioning profile, and these are not 
> used on unlocked phones.

I don't know what you mean by "provisioning profile", but my wifes 
unlocked iPhone6+ received an update to her carrier profile with iOS 8.3 
and it used the IPv4v6 APN just fine without any kind of user 

> influence with Apple Core OS Engineering that their demands have some 
> hope of sticking could complain to them about this? It’s the reason I 
> can’t use IPv6 APNs when I’m traveling on a foreign SIM card. I know, I 
> know, like there is such a carrier who has any interest in seeing 
> unlocked phones have any more useful features.

Well, the major thing here is Apple controls and approves the profile, not 
the carrier. There are plenty of carriers who are interested but who have 
to convince Apple to get changes done.

Mikael Abrahamsson    email: