Originally posted by dallas1999
Alright I tried and it still didn't recognize it at all I just get the message "no applicable update data found. Connect storage media that contains update data of version data 2.70 or later"
Try using the Rebug 3.55 Downgrader. Once you have downgraded, try installing the custom firmware from there. It should be working there. And make sure the File Path in your External Storage Drive is set to PS3/UPDATE/PS3UPDAT.PUP
All the letters must be the correct capitalization as written above.