How can update my CFW 3.55 version to CFW 4.xx

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Author: invalid@example.com (Elitecop)
Language: English
Channel Number: 66465089
Article Number: 1487
Date: March 24, 2020, 4:15 am
URL: https://www.psx-place.com/threads/how-can-update-my-cfw-3-55-version-to-cfw-4-xx.28625/
GUID: https://www.psx-place.com/threads/how-can-update-my-cfw-3-55-version-to-cfw-4-xx.28625/