I wanted to use wifi sharing at home without needing mobile data but when I do use Wi-Fi sharing to connect my devices I only get to connect 3 devices to my hotspot why is that?
Hmm, I'm not finding any specific info on that device or carrier as it relates to maximum number of connections, but I wouldn't be surprised if that was the case..
Tracfone and Straight Talk are the same company. Call either of them and ask if they limit the phone's hotspot to 3 connections at a time. If that's the case, then you're stuck with it, unless you move to a different carrier that isn't so restrictive. There's a reason why these MVNOs are generally cheaper than the bigger carriers -- they tend to skimp on a lot of the details.