![How To] Downgrade Slim PS3 from 4.76 to 3.55 Firmware Using E3 Flasher Tutorial (Part 1 of 4) - YouTube How To] Downgrade Slim PS3 from 4.76 to 3.55 Firmware Using E3 Flasher Tutorial (Part 1 of 4) - YouTube](https://i.ytimg.com/vi/zhe2gOdAKoo/sddefault.jpg)
How To] Downgrade Slim PS3 from 4.76 to 3.55 Firmware Using E3 Flasher Tutorial (Part 1 of 4) - YouTube
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