E3 flasher w/ no esata station and no fsm dongle required, E3 flasher w/ no esata station and no fsm dongle required from 4.46 ofw to rogero 4.46 v1.01 cfw works with 4.70 as well.
[tut] how to downgrade w/e3 flasher to any cfw, If you don't get multiple identical valid backups, do not continue!!! note: the newer updates for e3 flasher make 3 bios backups at once. i suggest you still repeat.
How to downgrade from 4.80 to 3.55 [easy method] - you., Open no fsm dongle or esata station needed this was only installing the e3 flasher i will make more videos downgrading the ps3. website : http://yasinyoyo.