Hello, Michiel van der Vlist.
On 02/04/2022 23.40 you wrote:

 MV> Hello Tony,
 MV> On Friday April 01 2022 19:58, you wrote to me:
 TL>> Yeah, it's weird.  when the phone is on wifi, there's IPv6 available,
 TL>> but when the wifi drops out, there's only an IPv4 connection.
 MV> That makes sense if it falls back to a 2G, 3G or 4G connection that does not support IPv6.  But the app should handle that gracefully.

I think android has a problem there also.. My phone is permanently connected to mobile data with ipv6. Also when wifi is on. If I connect to a ipv4-only wifi, the phone does not use the ipv6 mobile connection which still is on.

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