I second the Ram X on a ball mount, but I purchased the a short rail mount that screws in where the factory dash screws attach in the center (the accessories dish thing has to be removed to expose the screws) it gave me 9, 1/4 tripod mount screws to put my phone, go pro, and ram mount for my hand held Garmin.

Savadicar JL & JT Metal Phone Holder, Dash Cellphone Mount for 2018-2021 Jeep Wrangler JL JLU & Gladiator JT, Interior Accessories, Black https://www.amazon.com/dp/B091PLSY3T/ref=cm_sw_r_cp_api_glt_fabc_3H98GWJ4F2VWQKNBGTZB?_encoding=UTF8&psc=1

I highly recommend it. It’s been solid, and takes the Ram mount balls perfectly.