This bolt with a Ram mount may work for your phone.
https://cmmoffroad.com/collections/jeep-jl-parts/products/jl-grab-bar-ball-mount
the YouTube video near the bottom of that page shows the install process. Super easy
For those with the MOPAR Tailgate reinforcement the AEV Fuel Caddy does not fit.
The AEV fuel caddy will not fit due to interference with the antenna/flag mount on top of the reinforcement bracket, but the rest of the tire carrier clears without issue.
I had a similar smell issue, but it was from a mouse that hitchhiked back from a camping trip. Took my JKU to a detail shop and they washed and cleaned the carpet and vents. They also used an Ozone device to help clear the smell. Maybe they could address it for you?