Quote Originally Posted by twinn_aces View Post
Im using XS++ can i even use that.

If "yes" where can i find a toturial for it or if you can give me a link to it.

TY.

Is there any Wxxx Firmware that i can use in my K810i?

XS++ 3.1 Guide-Flashing,Customizing,Recovering - Top Sony Forums

You can't flash your phone with W firmware.