SOLUCIÓN AL ERROR SU-42477-4 PS4!2020 (Parte 1) - YouTube
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SU-42477-4 Error for update 6.20 : r/PS4
Ask PlayStation på Twitter: "@juanes2101 Hi there! Please follow the steps below: Download the system update to the USB and install it from this link: https://t.co/RhaVd8jm8i Go to "Update using a computer"