how do i downgrade my lg g3 d855 (European) back to kitkat from lollipop . - G3 Q&A, Help & Troubleshooting

hello ,
i upgraded my lg g3 to lollipop i keep getting crashes and bugs screen turning off by it-self and some other stuff , and i started to feel that's it's a bit slow . and i want kitkat back .
it's lg g3 d855 titanium .
thank you .

Sir,
Please wait until mods will move this thread to the device specific forum.
For reply or more questions please register an account on XDA forums.
Stand by
Until then please read this thread: (Discussion) LG G3 Android 5.0 Lollipop Update
Good luck

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