Team E3 has contacted us today releasing CFW 4.30. Yes you still need to be on 3.55 before you can upgrade to this.

To quote:

The E3TEAM has released the latest E3 CFW4.30 for free. The bricking issue has been improved. Just download here and enjoy.

(Pass is www.e3-tech.net)

Here we mention to E3 flasher users that you do not need to solder a wire to use the latest upgrade.bin file to unbrick a console.

don’t remove password if forward the file