I have also found the wifi in the car to be really slow. I see it as totally pointless. It's cheaper to just use the data from my cell phone data plan. The car's wifi speed is much slower than my AT&T iPhone 6 plus. I just turn on the personal hotspot on my iPhone and my kids use it to connect to the web on their iPads. It's odd that the wifi in a bigger fixture like a vehicle is slower than the LTE speeds on my iPhone and both are on the AT&T network.