PS3 4.83 How to Jailbreak/HEN

HI everyone, i have a PS3 with Firmware 4.83 original, never tried to jailbreak or other. i've read that my firmware is not easy to jailbreak and all the info are a lot confusionary. If someone can explain me what to do for jailbreak my ps3 or change the firmware to 4.82.
PS3 Slim CECH2504B