How to upgrade your psp from CFW5.50 gen d3 to 6.39

Neur0n has released CFW 6.39 Minimum Edition for 01g, 02g model! A Custom Firmware for the latest official firmware 6.39.  It seems nobody is faster than neur0n, or can you beat him?
A Big thanks to neur0n, he is the best!
Developers notes:

- Features –– Support Unsigned Homebrew.
– Support Extra module ( = plugins ).
– Support ISO mount with M33driver , NP9660driver , OEdriver , NormalDriver and MEdriver.
– Support UMD video.
– Support converted PSX(PS1) game and custom DOCUMENT.DAT.– Unlock 480×272 avc video.
– Unlock max display brightness lenel without AC adapter.
– Unlock ExtraMemory for Homebrew ( slim only ).
– Unlock Slim color in XMB.(need to prepare bmp file )
– Support USB battery charging.
– Support CPU speed control.
– Support hide PIC0.PNG and PIC1.PNG option.
– Support Flash0/1/2/3/UMD mount with USB.
– Support fake region.
– Support Battery EEPROM option in recovery menu.
– Support to load Unsignated module.
– Support to load packed ( with Dark_AleX’s psp-packer ) module.
– What is this?–
This is CFW work on PSP1000 and PSP2000.
The degree of stability is still unknown.
Please test it on your own and refer to different people’s test reports.
From 5.00M33 » OK
From 5.50GEN » OK(may need to edit version.txt)
From 5.50Prometheus » OK(may need to edit version.txt)
From 6.20TN-D » OK
From 6.20PRO-Before » Error
From 6.35PRO-Before » Error
From 6.20PRO-B5 » OK
From 6.35PRO-B5 » OK
–How to Install–
First, you need to install CFW or HEN in your PSP.
1. copy UPDATE folder at ms0:/PSP/GAME/.
2. Put 6.39 official update at ms0:/PSP/GAME/UPDATE/639.PBP .
3. Run installer from xmb.
– features –
Hold R trigger and turn on the psp, you can enter recovery menu.
Hold Home button and turn on the psp, you can Boot OFW.
– Credit –
This CFW is based Dark_AleX’s 5.00M33.
And usbdev.prx is his own.
–History–
v2
– Fixed freeze bug when try to connect to PSN.
v1
– First release.
– Fixed RecoveryMenu text.
– Fixed ExtraMemory bug.
– Changed NetworkUpdates default value.
– Source code optimization.
DOWNLOAD

Posted in: 6.60 pro b10 permanent patch,firmware psp gen d3,install custom firmware psp 2001 6.39 download,psp update version 6.39 download