Good news for those that are awaiting for news on 4.00 M33. Mathieulh has commented on a couple of great new features that are going to be introduced in this up and coming M33 custom firmware.
Custom Firmware 4.00 M33 will feature an XMB recovery mode, which will allow access to the recovery menu from within the PSP main menu / XMB. A feature which was first introduced in 3.95 GEN, now will be a part of M33 firmware. The second new and more exciting feature to be added is native savestate support. Users can save and load their progress at any given time while playing a UMD game. Much like what many common PSP emulators have. However it has not been decided yet if it will be part of the released 4.00 M33 firmware or released as an add-on / Plug-in.
Still no release date yet on 4.00 M33 but its looking good. Savestate support will be very handy indeed.
- Update: 4.01 M33 has been released.
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June 21, 2008 at 11:13 pm
This is great news! Way to go Team M33, make up for sony’s losses
June 21, 2008 at 11:35 pm
“make up for sony’s losses”
fixed statement:
“make sony’s losses”
cuz of all the pirated games……
j/k, you rock m-33!!
June 21, 2008 at 11:53 pm
DAMNATION way to go savestates may come in handy for games that cant save before fighting a boss
June 22, 2008 at 12:22 am
Wow….savestate support?! That would really be handy in several circumstances! =D I am amazed. That is so awesome.
June 22, 2008 at 2:40 am
yeah like lego star wars where it’s a bitch to find a save point
June 22, 2008 at 2:58 am
Yeah, im having trouble with grand theft auto :lbs. I know that sounds pathetic but in certain situations after finishing a mission i want to go to the safehouse but then i haf to go there and come back and its so far and takes 5 minutes… Plus if u die u lose all ure guns which i hate. So i haf to save after every mission. This will be useful indeed
June 22, 2008 at 4:18 am
Yes, nice work Team M33. Sony couldn’t add anything substantial in 4.00, so M33 has to step in and add it for us
June 22, 2008 at 5:55 am
Hey guys. My psp is ver 4.0 which is not a custom firmware. So i want to know wether i can upgrade it to the 4.0 m33 ver so that i can play my games. Thx
June 22, 2008 at 6:10 am
@ Haikarl Armand
you could use a pandora battery to install Custom firmware
Allroms
June 22, 2008 at 6:55 am
[...] Read the full post here: pspslimhacks.com/400-m33-to-have-savestates-and-xmb-recovery/ [...]
June 22, 2008 at 9:24 am
can i upgrade my psp version 4.00 to 4.00m33 without pandora’s battery coz i got 1 battery and 1 psp
June 22, 2008 at 9:26 am
i want to upgrade my psp to custom firmware coz i cant use the cso and iso files HELP ME!!!!!! PLZZZZZZZZZZZ……….:(
June 22, 2008 at 9:29 am
can i install the 4.00m33 without pandora HELP HELP HELP!!!!!!!PLZZZZZZZZZ
June 22, 2008 at 10:47 am
thanks……. watch this video it will convert your normal psp Battery into a serive tool battery aka pandora battery here the video http://video.google.com/videoplay?docid=-3353538027743914620&q=datel+service+tool+&ei=TnhdSM7QPJmwrQLV4OzPBA&hl=en with this u can make an pandora battery with out opening the battery itself the tool battery does all the work 4 you ……
June 22, 2008 at 10:49 am
this work ……Service Tool Battery
June 22, 2008 at 10:53 am
thanks…. you need cFw…. to do it …..
June 22, 2008 at 2:00 pm
if i download this my psp can play ISO/CSO files?
June 22, 2008 at 3:03 pm
Hey guys. You said that i have to use a pandora battery to install a cfw. I don’t know how to do that plus i don’t even know what is that. So i wanna know wether i can just upgrade my psp ver 4.0 to a 4.0 m33. Thx
June 22, 2008 at 4:05 pm
So many forum that discussed about pandora battery. You have to read all about pandora in them.
June 22, 2008 at 4:24 pm
Ok but can i just upgrade it to a custom firmware without using a pandora battery?
June 22, 2008 at 4:46 pm
you can not just upgrade 4.00 to 4.00m33, just not possible, but if you were able to make or buy a pandora’s battery then yes, theoretically if you had all the files on the magic memory stick of the pandora battery you would be able to upgrade to 4.00m33. of course you can make a pandora’s battery by yourself which is unrecommended for noobs or buy a pandora’s battery for around 50 dollars on ebay or amazon. Good Luck XD
June 22, 2008 at 5:20 pm
Hacking a battery ..is not 4 noobs …..Dark Alex What Next…AN Pandora AC Adapter LOL …hahaha…..
June 22, 2008 at 5:22 pm
hahah Pandora ac adapter 4 Noobs…..hahaha LOL KOOL if He makes It Thanks 4 Cfw Waitn 4 4.00 Cfw …dont put OFW i dont think that pandora Will WORK …………….Pandora ac adapter hahaha lol =)
June 22, 2008 at 5:24 pm
i think psp OFW 4.00 Breaks Pandora …. …
June 22, 2008 at 6:11 pm
nope, the battery is a hardware thing, they can’t patch for that, they’d have to release all new motherboards or batteries
June 22, 2008 at 7:06 pm
that means when i have version 4.00 M33 i can play ISO/CSO games in my psp?
June 22, 2008 at 8:43 pm
ok THen UpdATE 2 psp OFW 4.00 and tell me if the pandora Work or not all u get is a blank screen TRUST ME THIS HAPPEN 2 ME !!!!!!
June 22, 2008 at 8:46 pm
I have the pandora battery and with cfw 3.90 m33-3 ma bro update ma psp 2 OFW to 4.00 AND THE PANDORA NOT WORKING IT WONT FLASH SONY FIX IT>>>>>>>>
June 22, 2008 at 8:47 pm
THAT GUY ….not ThatGut……lol
June 22, 2008 at 8:56 pm
GUYS HELP ME!!! COZ I GOT 1 BATTERY AND PSP AND I DONT KNOW HOW TO MAKE PANDORA
June 22, 2008 at 9:45 pm
CAN I MAKE A PANDORA USING MY ORIGINAL PSP BATTERY 3.6V 1800mAh????
June 22, 2008 at 9:47 pm
Guys try our forum for help on how to make a Pandora battery, if you can’t make one you could always buy a PSP Tool battery by Datel

which is just like a Panadora and will put your PSP in service mode.
June 22, 2008 at 10:40 pm
buy This PSP Battery Service Tool Download this http://dl.qj.net/TOTALNewbi-easyInstaller-PSP-Tools-Utilities-(on-PC)/pg/12/fid/14749/catid/193 download this to put on memory card and here is a video in action http://video.google.com/videoplay?docid=-3353538027743914620&q=datel+service+tool+&ei=wtReSID7MKXoqALXn5HHCQ Hope This HELP
June 22, 2008 at 10:42 pm
http://dl.qj.net/TOTALNewbi-easyInstaller-PSP-Tools-Utilities-(on-PC)/pg/12/fid/14749/catid/193
http://video.google.com/videoplay?docid=-3353538027743914620&q=datel+service+tool+&ei=wtReSID7MKXoqALXn5HHCQ
June 22, 2008 at 10:44 pm
copy the whole link …..after utilities..(on>>>>>>>
June 22, 2008 at 10:46 pm
http://www.youtube.com/watch?v=gXZh55xXqL0
June 23, 2008 at 2:24 am
I like the savestate support, but I don’t think I’ll be upgrading soon.
June 23, 2008 at 3:59 am
Do you think it will have the pandora feature that gen has?
The one that pandorizes or normalizes your battery from the recovery menu.
June 23, 2008 at 4:01 am
how to upgrade my official firmware to custom firmware!!!! help me!!!
June 23, 2008 at 4:05 am
@24 & 27 I installed custom firmware on my ofw 4.0 on saturday. I used my bro-in law’s fat to make the pandora battery, it worked, 4.0 didn’t break anything.
June 23, 2008 at 8:32 am
hey ThatGuy/ThatGut (lol).
if you deleted the magic mem stick files on your mem card, which i’m pretty sure is what happened, then when you put in your pandora’s battery it’ll come up with just a black screen. Just put the files back on and you should be fine.
June 23, 2008 at 9:30 am
and the awards for repeating themselves over and over goes to ::drum roll:: Thanks and kreativethinkr or w/e. congrats guys! savestate support will be amazing, as if the m33 team havent given us enough. if they could get that going for the eboots that would be sweet!
June 23, 2008 at 10:25 am
how to use my pandora to upgrade my psp v4.00 to v4.00m33
June 23, 2008 at 11:19 am
4.00 M33 is not out yet, you’ll have to wait. You need to make a PSP Magic Memory stick. Please see our tutorials section in the forums. http://pspslimhacks.com/psp-tutorials/
June 23, 2008 at 12:54 pm
Thank 4 Da Help …BCK 2 CFW 3.90m33-3 ….
June 23, 2008 at 12:55 pm
The Noan i got CFw Im Tryn 2 Help Out Others,,,,
June 23, 2008 at 2:02 pm
@thanks, Read the forums. You’ll find everything you need and you won’t have to ask the same questions over and over.
4.00 M33 is not yet out as PSPFan said in the article and comments.
Pandora is the ONLY way to hack a slim. It will also work on ANY PSP!!
June 23, 2008 at 4:32 pm
Would it be possible to save the setting for Video’s Screen Mode? I like to set it to Full Screen but it always resets to Normal after every hard reset. Is there a prx plugin or possible for Dark Alex to implement?
June 23, 2008 at 4:37 pm
hahaha AN PANDORA AC APDATER >>>>>FUnny
June 23, 2008 at 7:09 pm
@Thanks, please STFU and use google!
buy a pandoras battery and make a Magic memory stick to be able to install custon firmware