I have trouble, C: drive less 1GB free size, but I want to upgrade IOS to 7.1.X from 6.0.X , run that "iTunes" around 1.14 GB size, in this case, how to download that upgrade to other drive, or USB flash drive first. and that 1.14GB size, is look very large, is it 3rd download manger (split...) to download first... and is it MUST connected that USB/Light Cable, connected that IPAD when file download until finish.? advice please! EDIT: if single IPAD via WiFi connected network, this method can't because network connecting speed too slow...
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