Error code

Google Play 504

GOOGLE PLAY504
Android Error Code· An error code shown by Android or the Google Play Store.

What it means

Download error — a network timeout occurred while connecting to Google servers.

How to fix it

  1. Switch from Wi-Fi to mobile data or vice versa.
  2. Clear the cache and data for Google Play Store.
  3. Check that the router or access point is functioning correctly.

Not affiliated with Google Play. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.