PSP Custom Firmware 3.80 M33 – 1.50 Addon Released
Posted by EvilSeph at January 15, 2008, 4:08 am

Following the anticipated release of PSP custom firmware 3.80 M33 and the rather quick bug fix update, M33 have released a 1.50 Addon for FAT PSPs running 3.80 M33 only.
This release does not come with any instructions, but thanks to MrTuto_Alek we have instructions on how to install this 1.50 Addon for you:
Update: Thanks to everyone who commented and told us the instructions were wrong. They have now been updated with working instructions. Sorry for any inconvenience caused.
Instructions
- Copy the files in the release to a directory called anything BUT UPDATE
- Move the directory you created to /PSP/GAME/.
- Get the Sony 1.50 update and copy it to the root with name “150.PBP”
- Run the program and done.
As we reported earlier, 3.80 M33 includes a new feature to update the firmware directly via Network Update however this will not work for this 1.50 Addon as it is an optional addon (and only for FAT PSPs).
Finally, please note that 3.80 M33 must be installed before installing this addon. You can check out our 3.80 M33 install guide for detailed setup and installation instructions.
Download PSP Custom Firmware 3.80 M33 1.50 Addon
Dark-AleX – PSP Developer [Dark_AleX]
Read more: 1.5 Kernel Add-on For 3.90 M33, Dark_AleX Releases 1.50 Kernel Add-on For 3.71 M33, PSP Custom Firmware 3.80 M33-2 Update, Update: PSP Custom Firmware 3.80 M33-4, PSP Custom Firmware 3.80 M33 Released

thanks!