"130 MB for 30 minutes of playing" Essh but expected. The issue with people playing with 4g is the reception quality. I will be curious about how smash bros performs cause MK8 even with shit connections had pretty good lag compensation but SSB was another story entirely since it's a fighting game.
PC Specs: CPU: 7800X3D || GPU: Strix 4090 || RAM: 32GB DDR5 6000 || Main SSD: WD 2TB SN850