We have requested Apple for remark. The doc suggests that you can quickly work all-around the problem by switching the Personalized Hotspot off and on all over again, but that’s not a lot consolation if you know it’s going to just transpire all over again.
The language suggests that Apple is working on a take care of. Even so, it really is not selected if iOS thirteen.four and its corresponding iPadOS update will consider treatment of the Personalized Hotspot problem on March twenty fourth. If not, you may have to sit tight till a right solution is in put.