Don't use the wrist on all your shots.
Use it as a trickshot, a surprise to your opponent. It can generate a lot of power in your shot.
Better to use your wrist when the ball is far behind you will be able to correct it or if you want to create a kick smash to the side fence, the smash to the backwall or the if you want to play a curved ~ flat power smash.
With a high or very low stroke, a change of direction at the last moment by using your wrist movement it can help you a lot. When you want to create an effect and acceleration. This can really make a difference.
The wrist movement can help you to boost the ball towards the other side.
A wrist action for the Padel Serve is something you can practice so you can give it a little extra speed and spin in your serve.
Creating slice and side-spin can make a difference on the impact of your serves.
To improve your technique it will help you to play more different sorts of serves during your training sessions, so you can reproduce these in your padel matches.
drop the ball. / be in the right position
start with racket above the height of contact
slightly / open racket face.
horizontal swingpath
swing through the ball at contact
sidespin
( keep your grip firm )