My new iphone 6 is currently is on 8.02 and is automtically updating to 8.1.1, how can i stop this?

I want to keep it on this ios since 8.1.1 patches pangu jailbreak. It says the download has about 20 minutes left. I immediately disconnected from the Wi-Fi, went into settings, and turned off download automatic updates. However the download still says paused. Is there any way to completely stop this? Or when it is done downloading, will it ask me whether or not i want to install it?

At this point I would just update it, but you will always probably have to leave it paused since you starte dit

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