Made out of 4.87 OFW
Made manually without automatic tools
SEN / PSN enabled
Can be installed over 3.55 OFW
Can be installed over any CFW CEX
COBRA 8.20 added and enabled as default
Possibility of Downgrade from any CFW with active QA Flags
QA Flags active if previously enabled
Disabled Epilepsy Message on Boot
ReactPSN compatibility
RSOD Screen Bypass
PS3_GAME / app_home
XMB In-Game Screenshot
Added Package Manager
CoreOS Hash Check patched to prevent Brick on non-dehashed Downgradate consoles
Patched to remove LV2 Protection
Peek & Poke (LV2)
Peek & Poke (LV1)
CINAVIA protection disabled

- Fixed Cobra PS2EMU stages for BC/Non BC consoles
- Build number set to 99999

Features
Made out of 4.88 OFW
Made manually without automatic tools
SEN/PSN enabled
Disabled deletion of unsigned act.dat and .rif files
Allowed unsigned act.dat and .rif files
Allowed running of unsigned applications
Compatibility with FSELF
C00 demo unlocker
Disabled LIC.EDAT license check
Can be installed over 3.55 OFW
Can be installed over +3.56 OFW (bguerville Toolset)
Can be installed over any CFW CEX
COBRA 8.3 added and enabled as default
Full PS2 Games Compatibility
Possibility of Downgrade from any CFW with active QA Flags
QA Flags active if previously enabled
Disabled Epilepsy Message on Boot
Compatibility with PSX games in ISO
Compatibility with PSP games in ISO
Compatibility with PS2 games in ISO
Compatibility with PS3 games in ISO/JB folder format
Compatibility with ReactPSN
Display of Temperatures in XMB In-Game on PS2 Games
RSOD Screen Bypass
BSOD Screen Bypass
PS3_GAME/app_home
XMB In-Game Screenshot
Added Package Manager
CoreOS Hash Check patched to prevent Brick on non-dehashed Downgradate consoles
Patched to remove LV2 Protection
Peek and Poke (LV2)
Peek and Poke (LV1)
CINAVIA protection disabled

Cobra 8.3
Failsafe Cobra stage2 (by bguerville/aldo)
Restore CFW Syscalls without reboot just entering to 'Settings > System Update' on XMB (by aldo)
Integrated Dynamic Control FAN (to control fan when webMAN is unloaded) (by aldo/Evilnat)
Support Photo GUI integration with webMAN MOD (mount games from 'Photo' column) (by aldo/DeViL303)
Get/Set FAN speed (by aldo)
Enable/disable features: Photo GUI, Restore Syscalls (by aldo)
Opcode to create CFW Syscalls (6, 7, 8, 9, 10, 11, 15, 389, 409) (by aldo)
Opcode to set fake accountID (by Evilnat)
Opcode to activate account (act.dat) (by Evilnat)
Opcode to create license (RIF) (by Evilnat)
Updated ps3mapi_load_process_modules to load custom modules and system modules (by haxxxen)
Added ps3mapi_get_process_module_info
Increased from 24 to 32 the max number of map paths (by aldo)
Added sm_get_temperature patch in kernel (by Evilnat)
Added sm_get_fan_policy patch in kernel (by Evilnat)
Added sm_set_fan_policy patch in kernel (by Evilnat)
Fixed Control FAN payload, avoids loading previous mode (by Evilnat)
Disable stage2.bin while Recovery Menu is loaded (by haxxxen)
Fixed max FAN speed after shutdown (by Evilnat)
Improved Habib's QA flags code imported by aldostools (by Evilnat)
Fixed black screen in CFW2OFW converted games (by Evilnat)
Added sm_ring_buzzer with single_beep, double_beep and triple_beep (by Evilnat)
Skip license creation (rif) if it already exists (by aldo)
Added cellFsMkdir symbol (by Evilnat)
Fixed freezes on NAND with payload new address (by Evilnat)
Added constant FAN Speed while a PS2 ISO is launched (by Evilnat)
Check/Disable/Enable QA Flags (by Evilnat)
Creation of act.dat while launching a PSN game (by Evilnat)
Convert someones's else savedata to your own savedata (by Evilnat)

Fixed random issues in old Cobra 8.3
Avoids loading stage2 if its size is 0 or higher than 0×1FE00 in stage0 (Avoids brick on NAND and semibrick on NOR)
Option to sort games by name and date (NEW!)
Added “Disable Syscalls” option in xai_plugin
Improved “Create Syscalls” option in xai_plugin
Blocks Log In on Playstation Network until CFW syscalls are removed (by DeViL303) (NEW!)
Fixed some empty strings in xai_plugin
Dump LV1/LV2 (NEW!)
Dump ERK (eid_root_key) (NEW!)
Check syscall 8 (NEW!)
XMB File Manager (NEW!)