F14 grip. Soft trigger press activates buttons 2 3 and 4

[Oxxy]

Greetings

I just installed and calibrated a new adquired NTX with F14 grip, but i notticed that, if i just pull slowly o half press the trigger (after hearing the clic), the buttons 2, 3 and 4 also activates, this doesnt seems to happen while i just full press it, bellow there is a video about this.

https://imgur.com/a/aVDAOc1

Please, i can do someting about this? why this happend?

[fallout9]

Please fill up a service ticket for this issue.

[Oxxy]

I bought it on aliexpress, do I need to contact the seller on that site?

[fallout9]

Yes, please use the Contact Seller feature on Ali.

[Oxxy]

Alrigth, im gonna do that, thank you.