>> No, that's not something that the deployment target affects.  The whole 
>> point of specifying one version via the SDK but an earlier version via 
>> deployment target is that you can use the features of the later version 
>> corresponding to the SDK _if you detect at runtime that they're actually 
>> available_.

This is a problem on the iOS, because Apple doesn't support installing
earlier firmware in our devices, in an effort to defeat jailbreaking.
The only way I've found to test what firmware my app is compatible
with is to use jailbreaking tools.  I shouldn't have to do that.

So far I'm satisfied that my app is compatible with iOS 3.0 and later,
but I would like to ensure that it is compatible with 2.0 and later.
There's no reason it shouldn't be, but I cannot get such an earlier
firmware to install.

The only way I can see to test on such early firmware is to buy a used
device from eBay or some such, that has never had a firmware update.

-- 
Don Quixote de la Mancha
quix...@dulcineatech.com

   Custom Software Development for the iPhone and Mac OS X
   http://www.dulcineatech.com/custom-software-development/
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