Please turn on your browser's Incognito mode. After enabling Incognito mode, try accessing the backend again.
For Chrome, browse in private mode: Chrome Private Browsing
For Safari, enable Private Browsing: Safari Private Browsing
If your Android phone still can't access 192.168.50.2 using the above method, please follow these steps:
1. Ignore the box's Bluetooth signal and actively connect to the box's second WIFI with your phone. The WIFI name varies with the car model and usually starts with VOL or Auto (password 12345678).
2. Input 192.168.50.2 into your phone's browser.
If you're still unable to access 192.168.50.2, please refer to the blog post linked below for further assistance.
https://carlinkitcarplay.com/blogs/carlinkit-4-0-cp2a-faq/my-android-phone-could-not-access-192-168-50-2