Xim apex warzone PS5 issue Lag / rubber banding only with xim apex

[Koji]

Hello I recently bought an xim apex to play on PS5.
I'm not sure if it's a good idea to buy a new one, but I'm not sure if it's a good idea to buy a new one, but I'm not sure if it's a good idea to buy a new one.
I've been playing without the xim apex and everything is fine (nacon revolution pro 2 or PS5 controller) but as soon as I play with the xim apex I get lag and rubber banding ( few meters ). it's rarely playable. the most noticeable is the kinematics at the beginning of the game where the helicopter drop is completely buggy. it's an indicator of whether the game is going to go well or not.

my config is :
Mx518 Gen 2
dell SK-8115 recovery keyboard
nacon revolution pro 2

firmware: 20210625
( poll rate 250Hz )

the light on the xim apex is red slow blink

[antithesis]

XIM APEX is essentially a controller. What you are experiencing is network lag. A controller can’t cause network lag, the two are unrelated.

[Koji]

It could be lag unfortunately I don't understand why as soon as I put myself in the controller everything works fine and it does several times.