How do I downgrade my Samsung S5 plus SM-G901f Lollipop 5.0.2 to Kitkat 4.4.4?

[AC Question]

How to downgrade samsung s5 plus SM-G901f lollipop 5.0.2 to kitkat 4.4.4

i have a samsung galaxy s5 plus, SM-G901f.
i upgrade to lollipop 5.0.2. This new update lollipop is killing me with its lag !
is there any possibility to downgrade back to kitkat 4.4.4?
thanks

 

[Golfdriver97]

Re: How to downgrade samsung s5 plus SM-G901f lollipop 5.0.2 to kitkat 4.4.4

Welcome to the forums. Have you done a factory reset first, to try to cure the lag?

 

[Gabriel Treistaru]

Re: How to downgrade samsung s5 plus SM-G901f lollipop 5.0.2 to kitkat 4.4.4

I done a factory reset, but the result is still the same
the old android 4.4.4 It is much better. i don't like lollipop 5.0.2
how to downgrade back to kitkat 4.4.4?