Hi Elektraunauts,
I need to create any texture with A4.
More generally I seek to have advice for the creation of texture with the A4.
Exemple :
https://youtu.be/5zHYrrA8HpU at 00:01
or
https://youtu.be/o640b5NKXQ0 at 0:24
I pretty sure to white noise with reberb but the no similary sound…
Overdriven cassette tape hiss with reverb
Random LFOs to noise, filter, ADSR, Delay and Reverb settings.
Edit: second one just sounds like filtered noise to me.
I would go with a mixture of percussions sounds mixed with noise + Crazy LFO
But my guess is there’s a high amount of sound design through a special Effects chain and that you can’t do with A4 But you can design with Overbridge through a Effects chain… to approach this kind of Sound.
I would start with ADSR in the way of percussions… you can always open the sound later. But match your texture tone before. (through FX chain)
I would probably chain some Soundtoys + FXpansion (Maul, Bloom) + 2Caudio kaleidoscope (maybe) here 
or/and Kore 2 with its Deep transformation / Deep Reconstructions / Deep Freq sound packs