Is Lightroom cc for mobiles compatible with .cr3 files? How do I upgrade the lightroom camera raw on the ipad? I usually use an adapter to transfer the photos from the memory card to the ipad, but it does not recognize the .cr3 files.
Lightroom CC does not directly read raw files from the memory card. You have to transfer them to your Camera Roll first, and then Lightroom can import them from there. If you connect the memory card to the iPad and you do not see the CR3 files, then that means that Apple needs to add support for these files in iOS, not that Lightroom needs an update.