via http://ps3.gx-mod.com/modules/news/a...p?storyid=2880

It is an Italian team, DiGiTaLAnGEL, we have this announcement. Twit From their, they would have accomplished the feat to downgrade a slim PS3 based on a firm by 3.70 to 3.55 KMEAW boot. dospiedra in contact with, they relied on the chip ProgSkeet and some modified files in it. A summary of the announcement: "We were the first to try the downgrade to 3.70 to 3.55 on a PS3 slim by making use of new and changing some ProgSkeet dospiedra files, excellent Spanish developer who had already given his method of passage Fw 3.41 from 3.55 on a PS3 FAT After several attempts, we managed to switch to FW 3.55, run the factory mode jailbreak and reinstall a 3.55 KMEAW in bypassing the security systems of the console. Following this manipulation, and after memory dump, it is possible to revert from 3.55 to 3.70 by a simple procedure. " Dospiedra also announced the availability of manipulations to perform and the files. If this continues, it is very good news for all the consoles currently blocked in 3.70.