Today franzes80 announced the release of Mamba PRX Loader v2.1.5 with Autoloader (unofficial) for the recently released PS3 4.80 CFW followed by some revisions below!
Download: MAMBA_PRX_Loader-master.rar (14.9 MB) / GIT
To quote, roughly translated on the changes: The Orion developer has released a new version unofficial application Mamba PRX loader in version 2.1.5 originally developed NZV.
This tool offers all the great features of a CFW Cobra, except the start of ISO PS2-PSP, on any normal CFW.
The homebrew MAMBA also allows you to upload and / or plugins VSH (with MAMBA or PRX Loader) by two different ways: at boot time or later and is compatible with all CFW no cobra up to 4.80.
Mamba PRX Loader 2.1.5 & Autoloader (Unofficial) Changelog:
Update: From Brewology.com comes MAMBA / PRX Loader v3.1.3 followed by v3.1.4 from _NzV_ / Rancid-O (aka @RancidoPS3ita) which now supports 4.81 CEX / DEX CFW.
Download: MAMBA_PRX_Loader_3.1.3.pkg / MAMBA_PRX_Loader_3.1.4.pkg
Mamba / PRX Loader 3.1.3 (Unofficial) Changelog:
MAMBA/PRX Loader 4.84.1
MAMBA/PRX Loader 4.84.2
Download: MAMBA_PRX_Loader-master.rar (14.9 MB) / GIT
To quote, roughly translated on the changes: The Orion developer has released a new version unofficial application Mamba PRX loader in version 2.1.5 originally developed NZV.
This tool offers all the great features of a CFW Cobra, except the start of ISO PS2-PSP, on any normal CFW.
The homebrew MAMBA also allows you to upload and / or plugins VSH (with MAMBA or PRX Loader) by two different ways: at boot time or later and is compatible with all CFW no cobra up to 4.80.
Mamba PRX Loader 2.1.5 & Autoloader (Unofficial) Changelog:
- Added support CFW 4.80

Download: MAMBA_PRX_Loader_3.1.3.pkg / MAMBA_PRX_Loader_3.1.4.pkg
Mamba / PRX Loader 3.1.3 (Unofficial) Changelog:
- Added support for CFW 4.81CEX
- Added support for CFW 4.81DEX

- Added support for CFW 3.55 to 4.84 CEX/DEX
- Untested support for CFW 4.78-4.84 DEH
- Updated MAMBA with offsets from ManaGunZ by Zar & littlebalup
- Added some features from Cobra 8.01 by Habib / Joonie
- MAMBA_PRX_Loader_4.84.1.pkg
- Source code (zip)
- Source code (tar.gz)

- Supports for CFW 3.55 to 4.84 CEX/DEX
- Untested support for CFW 4.75-4.84 DEH (DECR)
- Updated MAMBA with offsets from ManaGunZ by Zar & littlebalup
- Added some features from Cobra 8.01 by Habib / Joonie
- MAMBA_PRX_Loader_4.84.2.pkg
- Source code (zip)
- Source code (tar.gz)