I can't guess why an app is not doable. I've used dropbox for years to shuttle out stuff. I would have no issue of getting some things out with email to clear off space but let's just get to iRip.
http://www.macstories.net/reviews/irip-2-the-best-way-to-get-anything-out-of-ios-devices/
Bob
I am working on recovering data off an iPad 2 loaded with IOS 5.0.1. It was left in a hot car and isn't working correctly and will not link to a computer and will BARELY charge. The main goal is to recover the photos which include weddings and other important events for a person. It is too full to upgrade IOS so apps will not install. The also lost the password for their Apps Store account.
So I am left with a non-upgradeable iPad 2 and need to use cloud based backup as the WIFI still works but that is about it. I can connect to the network. There are hundreds of pics so e-mail isn't an option for the amount they are paying. I need to copy the photos to a cloud service but all require an app.

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