How to Install 1.50 Kernel Add-on for 3.90 M33 Custom Firmware
A Custom Firmware without the 1.50 Kernel add-on is only half a Custom Firmware. Without the 1.50 Kernel on your PSP, the whole purpose of the custom firmware is defeated. 1.50 Kernel is all about the homebrew apps. I have already installed the 1.50 kernel add-on on my PSP and it’s awesome. I could still use the remote control, the WiFi sniffer and a lot more homebrew applications. So how do you install it? It’s quite easy.
The Requirements
- A Phat PSP with 3.90 M33 custom Firmware installed. This one does not work on a PSP slim but don’t fret, because there is one coming.
- A USB Cable. This is used as a connectivity tool between the PSP and the computer.
The Installation Guide
- Download the 3.90 M33 Addon from Dark Alex’s website.
- Unzip and you will find the 150k_addon folder. Copy the 150k_addon folder from your PC to PSP in this directory: PSP/GAME/
- Download the 1.50 Firmware and place it into the root directory of your PSP.
- Disconnect your USB cable and then on the XMB, go to GAME>Memory Stick then run the 1.50 Kernel Add on update.
- Follow the onscreen instructions and wait. The PSP will restart automatically after the update has been installed.
- Congratulations. Go and get your homebrew applicatons now.
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- Custom Firmwares
- Guide
- Homebrew
- PSP
Made by Symmetric Web
Distributed by Smashing Magazine
52 Responses
(DLing the pack now)
the add-on won’t run on slim right?
but will the 3.90m33 make it on slim?
just making sure! narigaten!
I am gonna give it a try
Thanks done it …. it was a success
@sbanboy: Congratulations dude!
this is the cfw that has the skype in it right? But is it available in the Philippines?
how come when im extracting a file it prompts me that the file is corrupt
Thanks Stylemo my PSP Fat is now running 3.90 M33 CFW
any problems u encounter in 3.90 m33?
stylemo!
Did you use the 1.50 addon kernel on 3.71 and 3.80 too?
@apajee: Yes, but I used a different installer. You can find that installer in this website too. Use the search box above.
hey i dont really get it when u install the kernel then u put the firmware or wat
version 2 is out.
it enables you to use sticks higher than 4Gb.
————–
i can’t wait for the kernel’s slim version.
@darwin v.: that’s great news man.
@darwin v. Great update, although the 8gig mem stick is so damn expensive
@bosschief: more or less 6thou…i think?
—————————————
TIME MACHINE –1.50 kernel of slim, that’s what they call it
@darwin v: really? dats great! although im still in 3.80 m33-5.. in my opinion, its more stable (as of now), when some more updates are made for 3.90 m33, i will surely upgrade..
@stylemo: how’s your psp? did you changed your lcd? i saw some psp parts in sm sucat, but i think its quite costly.
@bosschief: yeah! its really mahal.. but i advice to really buy the real thing, i bought a class a 2gb for my p990i before, after a month it get corrupted. so, buy the original.
but damn, 6k? you already can buy a psp with that!
@darwin v. – what do you mean by version 2?
(posting via psp) thats awesome-just bought an 8gb stick
Yo! StyleMo!
So I found this post after leaving a noob reply on one of your post… I’m at CFW 3.71 M33-3 on my other Phat PSP. Can I and do I need to install the 1.50 Kernel Addon to my CFW 3.71 M33-3 so that I can install the 8GB MemStick Patch to use my 8GB Sandisk MemStick?
Peace out Mo! =)
TIME MACHINE is already out!
Hey Stylemo, your guide kicks ass – really helped me out. Thanks!
I just bought a second hand PSP… I have 3.71 M33-2 on it… I was trying to download games into ISO folder… it doesnt work…
Then someone suggested about creating Game folder… and it says corrupt file..
Can anyone help me…
Thanks
hey man have downloaded 3.90m33 with the 1.50 add on both versions however ma psp is hangin while playin certain iso games what should i do plz help
Just updated my firmware from 3.71m33 to 3.90m33-2. My problem is same as sohrab i cant load certain CSO or ISO game… Besides it takes a longer time to load a game as well… Probably i should switch back to 3.71 1st i guess.
stylemo great guide i recently upgraded my psp to version 3.90 m33
however i followed your instruction perfectly to install the 1.50 kernel but now when i go to my xmb,games, memory stick it says there are no games
help plzzz???
Help! i tried to install kernel but the psp hangs then turns off wtf do i do? Help!
does the same process of installation apply to version 2?
Worked like a charm.
Your instructions are great — easy to understand and very complete. Thank you. Thank you.
Hello!
I think this try.
salamat po!
how do i watch youtube on my psp
HELP!!!!
I HAV A PSP W/T CFW 3.90 M33-3
I FOLLWED THE INSTRUCTIONS BUT MY PSP SAYS “INCORRECT OR INEXISTANT 150.PBP AT ROOTâ€
ANY IDEAS??
Thanks a lot I’ve gone from 3.71 m33 to 3.90 m33 up to here. all thanks to you.
Hey David:
Here’s your problem:
the 150.PBP file in your root folder is not named correctly because when you changed its extention it actually became 150.PBP.PBP << so all you have to do is backspace one of those .PBP and then you will have a 150.PBP file and it will work
Cheers!
harris36@gmail.com << if you have any problems
http://www.animehunger.com
Heyy anyone, can remotejoy and usbhostfs cause brickage or corrupt id storage keys? Coz i use it to play iso/cso games on my HD via USB.
i get an error about halfway through it. it says ” flashing flash0/msstor.prx (20512)… error” or something like that? can somebody help?
@Matt: You sure you followed the instructions correctly? Errors in flashing might cause your PSP to brick. Be careful man and don’t get too excited. It’s better to take things slow but sure than fast and regretful.
hey does this work on 3.90m33-3 or its just for 3.90m33?
IT’S WORKING!!! I’m teasing my sister right now. She’s watching TV and I keep shutting it down. IT’S SUPER FUNNY!!! You should all try it. First it didn’t work. I went to recovery mode, enabled kernel 1.50, put the files in the right place and stuff. DIDN’T WORK. Then i installed the 1.50 kernel addon and now it’s working. YAY!!!
@nick
r u refering to the universal remote for the psp? i’ve tried that before and it doesn’t seem to work for me… how u do it man?
I keep getting the message ‘Cannot decrypt updater prx’.
Do I have the 1.50PBP file in the wrong location? Currently in the root of the memory stick?
Got 3.90M33.
Any help greatly appreciated.
@LTJ:
try to redownload a new copy of the kernel add-on.
if the problem persists…try putting the kernel add-on in the GAME150 folder…
@dcv1979:
thanks for the pointers. Seemed to be an issue with the 150.PBP file. Downloaded from an alternate source and it worked fine.
@LTJ:
no prob with my suggies bro.
glad to help!
Well done I keep up the good work i have gone from 3.40oe-a to .390 m33-3 with 1.50 addon in 25 mins!!!! excellent
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