Yeah it is it for sure i actually checked I/O and Network activities and i am sure ... because i could see that the file is being written in that...
i found it : /var/mobile/media/downloads
Today i just got that my iPad is downloading iOS6 without prompting me ....
so i installed the cydia tweak (Software Update Killer) just to...
If you have a jailbroken iPad so you can install this app from Cydia(Big Boss Repo) :
Software Update Killer
and then you will be good :)
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