Developer options open mobile phone, turn on USB debugging mode, and then connected to the computer.
Chrome browser address bar, type chrome on the computer: // inspect, a moment will see a list of devices page.
Then turn on any article details a negative screen inside, after seeing a similar picture of a page in the page.
After the dot inspect open the debug page (need to have the ability to access Google local), and then enter the address bar in open access test address Enter debug page.
https://www.crifan.com/chrome_devtools_inspect_error_404_not_found_the_resource_could_not_be_found/