Error 504 when downloading or updating applications in the Play Market: solving the problem

If you encounter a problem when, when you try to download or update an application from the Play Market service, an error message with code 504 appears, then do not be upset, because now we will tell you what you need to do to make sure everything works as it should. The solution

1. Open your device's menu and go to the tab Applications.
   
   
   
   
   
   
2. Among the list of all installed programs, find Play Market and click on this icon.
   
   
   
   
   
   
3. Next, click on the button Udalit update.
   
   
   
   
   
   
4. Reboot the device.
   

After these steps, try installing the previously unavailable application again. If this time you see error 504, then completely reinstall the Play Market.