(Queston) Good xposed modules for Honor 6?

I installed/flashed xposed yesterday, and now i don't find any good modules, is yhere any working customazation modules for this phone. I don't like emui at all and i want stock android feel.

P.S Sry if this is wrong forum. And my english is not good.

Easy queston about knox 1 and upgrade

If I will make root on my s5 mini and then I will sell it but efoare I will flash back a stoch formware (so taking away the root) do u know if the upgrade will be ok 100% or will see that the knox is not more 0x0 and will not upgrade exaple : from kitkat to lollipop and so on?
Thank'
s
Helen