Fixed PS4 Error Code SU-42477-4 | An error has occurred | System software update - YouTube
Safe mode loop, I tried everything from rebuilding database to initializing the ps4 : r/PlayStationSolutions
SOLUCIÓN AL ERROR SU-42477-4 PS4!2020 (Parte 1) - YouTube
2023】5 Ways to Fix PS4 Cannot Access System Storage?
Fixed PS4 Error Code SU-42477-4 | An error has occurred | System software update - YouTube
تويتر \ Ask PlayStation UK على تويتر: "@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