DSLL-MDR72: PS Vita / PS TV 3.71 & 3.72 Downgrader to 3.65 Firmware by SKGleba | PSXHAX - PSXHACKS
MemeKaku released for older PSVita firmwares - Now, you can hack your FW 3.55/7 PSVita and PSTV because CelesteBlue felt like it! - Wololo.net
PlayStation 3: Sony releases Firmware 4.86 for their 13 year old console - HFW 4.86 released, SEN Enabler updated & PS3HEN to be updated soon due to no kernel changes! - Wololo.net
Come installare HENkaku + Ensō PS Vita 3.60 - GuidaWeb 24