Wizards Customer Support on Twitter: "⚠️ In Progress: As we continue to investigate, we have decided to roll back today's game update. @MTG_Arena is online, but does not include the planned bug
Ask PlayStation on Twitter: "@reyson73926637 Try via USB, here you have the steps to access to safe mode https://t.co/OOaq76kzAA and the update file can be located here: https://t.co/CY4KzXCTt6 under download PS4 update
PS4 (SU-42477-4) ERROR FIX - YouTube
New 6.71 update. Getting error code SU-42477-4 : r/PS4
Ask PlayStation UK Twitterren: "@BaldonZZ Hello! When updating via USB, are you in Safe Mode? Have you used both Option 3 and Option 7? Please follow the instructions here for both, and
playstationsupport - Twitter Search / Twitter
PS4 Hard Drive Failure? | Reasons, Symptoms and Solutions | PS4 Storage Expert
SU-42477-4 Error for update 6.20 : r/PS4
Error SU-42477-4 after updating to 8.00 : r/playstation