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October 24, 2013 // 11:31 pm - Following up on PS3MFW 0.3.1, today I Megago (aka mamscdt) have released Megago CEX 4.50 v1.00 PS3 Custom Firmware (CFW) followed by a Final Version and a CFW MEGAGO 4.50 CEX Final Version Fixed CFW 3.41+ with details below.

Download: MEGAGO CEX-4.50 v1.00.rar (194.9 MB) / MEGAGO CFW 4.50 Final Version.PUP (193.7 MB) / CFW MEGAGO 4.50 CEX Final Version Fixed CFW 3.41+.rar (193.7 MB) / PSIDPATCH16 CFW 4.50 Fixed (514 Kb) by Megago



MEGAGO 4.50 V1.0
MEGAGO CEX-4.50 V1.00
Released: 24th October 2013
MD5: 27da7032cf2be67af961c02bee95a0f2

1. Made out of 4.50 ofw.
2. Have install package files and app_home.
3. Have ReActPSN compatibility.
4. Patched all coreos ecdsa check.
5. Patched lv2 to add peek/poke supoort.
6. Patched lv1 to disable lv2 protection.
7. Patched lv1 to add peek/ poke support.
8. It can run games signed with keys up to 4.50.
9. Can be updated over any cfw.
10. Can be updated over 3.55 ofw.
11. Added no bt/bd patches.
12. RSOD bypass.
13. ReActPSN offline patch added.
14. Better system stability.
15. PSP remaster support added.
16. QA flag enabled by default if PS3 was QA on 3.55.
17. Removed remote play restriction.
18. In game screenshot enabled.
19. Cinavia protection disabled.


Coldboot 4.50 Rex v2.0 by Hideki


CFW MEGAGO 4.50 CEX Final Version:

MD5: 9480bb3e6cb1b3946870cb35cfe024a1

1. Made out of 4.50 ofw
2. Original Coldboot changed for Megago Coldboot created by hideki2009 (ps3gunz)
3. This CFW can be installed fine from XMB Update over OFW3.55 or any CFW ver <= 3.41/3.55
4. Have install package files and app_home
5. Have ReActPSN compatibility
6. Patched all coreos ecdsa check
7. Patched lv2 to add peek/poke supoort
8. Patched lv1 to disable lv2 protection
9. Patched lv1 to add peek/ poke support
10. It can run games signed with keys up to 4.50
11. Can be updated over 3.55 ofw
12. Added no bt/bd patches
13. RSOD bypass
14. PSN/SEN access is available but it's not recommended
15. ReActPSN offline patch added
16. Better system stability
17. PSP remaster support added
18. QA flag enabled by default if PS3 was QA on 3.55
19. Removed remote play restriction
20. In game screenshot enabled
21. Cinavia protection disabled

Downgrading back to CFW 3.55 from any CFW Please refer to the Rogero Downgrader PUP

Thanks to:

Hideki2009 for the coldboot


waaaaayy #SL16 and my all followers (mamscdt)

CFW MEGAGO 4.50 CEX Final Version Fixed CFW 3.41+

SIZE: 193 MB (203,112,448 bytes)
MD5: 0ad0097a5ae12843c36dae3fbe94899b

Megago CEX 4.50 v1.00 PS3 Custom Firmware (CFW) is Released

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#25 - lewinator10 - March 20, 2015 // 6:50 pm
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thank you for posting, it works fine with my ps3

#24 - bitsbubba - January 10, 2014 // 1:32 am
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so this is a Modified CFW?

#23 - StevenTj - January 9, 2014 // 1:07 am
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To add Habib's and Hishamagae's posts:

The whole coreos, is Habib's.. even habib folder in dev_flash there too.

and 8. Patched lv2 to add peek/poke support ???

you didn't add that if you know, in cobra, it does everything manually, it uses syscall8.

#22 - Sejuice - January 9, 2014 // 12:00 am
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and can we stop trolling each others cfw, its getting lame.

#21 - gigiostars - January 8, 2014 // 11:59 pm
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really? Corbezzoli who champion! Are you the sherlock holmes of the PS3 Scene of 2014 do not escape anything .. maybe if I gave it a read to the characteristics of the builder used you would notice who it is written, and would win a prize!

A ciofella gold and silver with the image of your idol HABIBBA

who ever you are reading a constructive comment, type is compatible here, is stable ... no problem with this CFW or what .. I know .. the comment is not "has the hash of the fish pictures color! won the prize!?"

Yes friend, as I said above you won your prize, thanks to exist .. and .... let us read your wisdom!

#20 - Sejuice - January 8, 2014 // 11:57 pm
Sejuice's Avatar
i'll try it if you can please upload the unrared pup?

i've tried downloading this and other cfw rar/zips all get the same crc error.

also unrared pups from here are fine/installable.

#19 - hishamage - January 8, 2014 // 9:19 pm
hishamage's Avatar
Has Habib Folder in Dev_FLash

#18 - smhabib - January 8, 2014 // 5:23 pm
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signatures found in lv0.elf at offset 10108

#17 - sheaushyong - January 8, 2014 // 5:02 pm
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does it support ps2 iso?

#16 - xakmad - January 8, 2014 // 11:44 am
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Hi. Interested in trying this instead on habib 4.53 v1.04 and was wondering what cobra actually means... bit embarrassed to ask as my ps3 has been cracked for a few years! Same goes for the psid patch.

Now my old psn account was closed by sony ages ago after they sussed the cfw
So I could created a new one but does this cfw stop them detecting?

In short can I go to the psn store with a new username and not get caught?
Can I also play online?

And is is compatible with the new react psn which I DLed but haven't installed yet? i have habib 4.53 v1.04 and tempted by ths but:

1) does it support the new reactpsn 3.10 /
2) can you tell me more about PSID patch please?

i have my psn account banned probably cos of CFW -
3) can i just create a new one and access psn Store ?
4) and also play online?

5) or does 3 and 4 depend on getting a new serial number to replace one that is banned?
6) or is that what PSID patch does?

more of a noob than i thought now !!