Thanks.
I've ordered a cable (the link) yesterday, hope it will fit. The cable is for many Mavic drones, but as they do not specify "mavic mini", I've ordered it without knowing if it will fit.
https://www.amazon.ca/-/fr/gp/product/B077GSSN5H/ref=ppx_yo_dt_b_asin_title_o00_s00?ie=UTF8&psc=1