I have two google wifi, one is main (no problem) and the other one show the purple light (developer mode), I find the method to solve on internet as below:
After do all, the wifi still show the purple light, how can I do?
Thanks for reaching out. I'm sorry to hear that you're having an issue with taking your Google Wifi out of the developer mode. If you haven't yet, please try the following steps:
Let us know how it goes.