Why does my phone keep saying network error?

Related questions

1. Why do I get a network error?
2. What is a handshake failure?
3. What does timeout error mean?
4. Why can't I make or receive calls?
5. What causes timeout errors?
6. What is 503 backend fetch failed?
7. What is fastly net?
8. What is Varnish cache server?
9. What is http timeout?
10. What does Error 503 no healthy backends mean?

Tags

1. #enabled
2. #wireless
3. #android
4. #issue
5. #button
6. #restart
7. #error
8. #steps
9. #restarting
10. #cellular
11. #selecting
12. #settings
13. #header
14. #network
15. #solve
16. #phone
17. #power
18. #networks
19. #these
20. #mobile
21. #pressing
22. #holding