system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5: How come turning wifi/data on and off again makes it work better?
gpt
Like pretty much anything computer related, resetting fixes an abundance of issues. By starting something over it is forced to run all it's code from the beginning, refreshing anything that might have gotten out of whack. 

I don't have a specific technical answer because it could be a whole number of things making your wifi or data not work well in the first place, but in short, it's like when you're in a conversation with someone and you get confused and say "woah woah hold on let's start over."