Custom Firmware 3.90 M33-3 Released! DAX has released a small update to 3.90 M33. Improving the compatibility of the M33 no-umd driver. This can be downloaded and updated from your PSP, using the Network Update feature. Or use the download link below.

* March33 NO-UMD driver compatibility has increased to support games like Coded Arms, Patapon, Harvest Moon Innocent Life and probably others affected by same errors.

Source: Dark_AleX
Note: There is a file embedded within this post, please visit this post to download the file.

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Dark~Alex has just released his new firmware: 3.90 M33-2! Here’s the changelog:

Changes:
– Improvements in plugins loading code:

* Fixed some problems with problematic cards due to filesystem not mounted.
* Now plugins should read the faster.
* Problem fixed with lines with spaces at the end.

- Added the rest of regions to the recovery option fakeregion.

- (PSP SLIM): Added patches in nand ipl to allow Booster multiiplloader and TimeMachine iplloader to boot from nand.

Note: only 3.90 M33-2 and higher can be booted from nand in slim with those ipl loaders,
not official Sony firmwares or previous versions of M33.

Changes in updater:

- The 3.90 eboot downloading code is now more stable, no more freezes after selecting AP
– Memory stick write in the 3.90 downloading code is delayed the maximum possible for faster operation
(the system prefers big chunks of data written at once).

Note: There is a file embedded within this post, please visit this post to download the file.

- Thanks to dim33 for the tip!

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Dark_AleX has released an update to his 3.90 M33, 1.50 kernel add-on for Fat PSPs. This update now supports memory sticks greater than 4GB in size running the 1.5 kernel and also this fixes a display bug that affected TA-86 motherboards.

Installation: Copy the “150k_installer” folder to GAME and run the installer from the PSP XMB Game menu.

If you don’t have the other version of 1.50 add-on -> 1.50 Kernel add-on for 3.90 M33 & PSP Firmware 1.50

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Dark_AleX has released PSP Custom Firmware 3.90 M33 to the world. This new firmware bring a major feature on board, Skype for the PSP. Finally its here. (Confirmed this works well, Skype calls sound just as good as on the PC)

Instructions

- Copy the UPDATE folder into /PSP/GAME/
- Get the 3.90 sony update from somewhere, and put it in same folder, with name “390.PBP”.
Alternatively, you can let the installer to download for you via wifi.
- Run it, the update will be done by Sony updater. At the end when you are asked to reboot the
PSP pressing X or O, do it.

Changes:

- 3.80 -> 3.90
- March33 NO UMD: fixed (yet another) bug related with exiting with home. (infinite semaphore wait)

Changes in updater:

- The degeneration check and correction of IDS keys happens too in 3.71 now.
- Added code to download 3.90 PBP from net via wifi.
Note that his code is not yet 100% stable, it may crash when selecting AP. In that case,
reinit the installer.
- L+triangle has been restored as method to bypass battery.
If you already have 390.PBP keep those buttons pressed until you see “Veryfing 390.PBP”.
If the 390.PBP is being downloaded bia wifi, press those buttons at the end of download until
you see the previous sentence.

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