have iphone 5 on 7.1.1 version. updated long ago via ota (over air), , patched on ios usual update.
because of current issues , large "other" folder in phone, want wipe completely. thats easy , done, want reflash 7.1.1 onto phone complete ipsw file (using dfu mode, ctrl + shift in itunes ). possible since ios7 can no longer signed?
phone has never been jailbroken.
it not possible. either stay on ios 7.1.1 is, or update 8.1.2.
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