How to restore jailbroken iPhone on iOS 8.3 back to iOS 8.3?

I'm currently on ios 8.3, jailbroken, and i would like to restore my iphone, but with the new ios 8.4 update, it won't let me restore it back to ios 8.3, it will only let me restore and upgrade to ios 8.4. How would i go about restoring my iphone to ios 8.3 safely?

At the moment, there's no way to do it. You're only option is to restore/upgrade to 8.4. If you wanted 8.3 to rejailbreak, then you can jailbreak on 8.4 cause it's been released. If it's because you just don't want 8.4 the sorry:/.
Only thing that majorly changed between 8.3 and 8.4 is the new Apple music thing.

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