On 01/02/2019 22:19, David Higton wrote:
> In message 
>            mm0fmf  wrote:
>
>> On 01/02/2019 03:04, bob prohaska wrote:
>>> When I plug an iPad into my Pi3 both devices seem to
>>> notice the connection, but an attempt to access the
>>> iPad from Raspbian results in
>>> Error Failed to get folder list: -1 Unspecified error
>>>
>>> The Pi seems to think the iPad is a camers, which is a
>>> good start.
>>>
>>> The iPad asks "Allow this device to access photos and
>>> videos?", to which I touch Allow. No error is reported.
>>>
>>> Is a useful connection possible?
>>>
>> I'm not an Apple user but I think you will find iPads, iPhones support a
>> proprietary protocol and I don't know if drivers for Linux are available
>> to handle transfers to and from them.
>
> It's some years ago that I tried... I expected the same as you, but
> was surprised that the iPhone supported MTP in what seemes a perfectly
> standard way.
>
> Android phones, when plugged in, default to charge only.  You have to
> change the setting, every time you plug in, if you want to exchange
> files via MTP.  It's a simple security mechanism.  I would expect
> iDevices to do something similar, for the same reason.
>
> Dave
>
It's good to know they now support MTP at least. I wonder if that's a
recent (relatively) addition?

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