With times like that you'd be better off with Starlink!
I'm not joking: https://www.pcmag.com/news/is-starlink-good-for-gaming-we-pu...
Are you doing the 113 test from the actual device, or something tethered to it? For example, you don't want a bluetooth stack in the middle.
That is odd then, but it is odd.
I can only guess the connectivity between your mast and the Internet is awfully congested, and/or you are in the middle of nowhere.
One of the reasons starlink does as well as it does is the ground stations are well connected to the wider world, whereas your nearest cell mast might not be.
straight off my android phone by disabling wifi then moving through my 2 sims