NTT Docomo Max OR au (使い放題Max+ 5G/4G)?

As the title says, which offers the best service?

Ahamo lags. I can’t even get Instagram videos to play smoothly.

Rakuten lags a little less in Tokyo and Yokohama, but once I go indoors it’s not unusual to have trouble getting a signal or getting pages to load. (Ex: restaurant QR code menus.)

At this point, I just want something that works reliably without lag.

Everyone says Docomo is the best, but during busy times that doesn’t seem to be the case on crowded train lines.

Should I go with NTT Docomo MAX or au (使い放題MAX+ 5G/4G)?

by Hamakko4Life