On SVE 1. + it happens that they moddify the skullcavern entrance, soo the elevator from the first level is gone Btw the elevator from level 5--->Infinite still fine to use Maybe it would be possible to make a patch compatibily with the new SVE when the cart appear
As far as I can tell: Skull Caverns Elevator doesn't work on mobile with SVE ONCE Crimson Badlands are opened. There was an update to fix the issue for the elevator mod, but it only works with 1.5, so not on mobile yet. Using commands console to jump to the level you want in the caverns is an easy work-around, but it feels more like cheating than the immersive element of an in-game elevator.