If you're on 4.46 OFW then the only way you can fowngrade is with a hardware flasher. Either E3/progskeet or teensy
Depends on which type of flash is in your ps3. NAND or NOR
What's ps3 Cech number? If it's cechG or below then its NAND flash and you need either progskeet or teensy. If it's cechH up to 2500/3 then it's NOR flash and you can use E3/progskeet/teensy
E3 flasher is solder less solution. Unless you brick ps3 then you need to solder tristate to sbe to reflash
Also need to know the ps3 min firmware can be downgraded to. All fat ps3 can be downgraded to 3.55 but not all slims can. The 3000/4000 series cannot be done
Use minverchk to see what the lowest firmware you can downgrade to
Last edited by fq360; 09-27-2013 at 05:16 AM.
Playstation 3 (PS3) E3 flasher CFW Downgrade Service (Latest Official Firmware to 3.55/Latest Custom Firmware) NOR Flash Only (UK)