No advice on a new one, sorry. But if you decide you want to get rid of your current one cheap let me know :)

I don’t think this is true for all of them. My cube takes at least a couple hundred rotations and then you have to take the stickers off and move them around to solve it.

I use it all over the western half of the USA. I’d say maybe 10-15 percent of locations where I have signal the actual speeds are abysmal. I think due to the mvno data being deprioritized but I can’t say for sure. I still keep them because it’s cheap but it can get annoying