WiFi MAC Address Fixer
Written by Chris Swindle    Tuesday, 25 September 2007

ImageThis is a little utility to help all of those who are too lazy to manually change their MAC address back to the correct value. This can be of use for people that have changed Wifi boards in the PSP, or if they have changed the MAC address manually.

Hopefully this will make life easier for others.

 Download MacFixerUPDATED.zip
File Size:67.96 Kb
Downloads:43740

Comments (70)add comment

G1 said:

  That's nice of you to help the lazy smilies/wink.gif Thank you for everything you have done for the psp
September 25, 2007

jair2k4 said:

  I freaking love you guys. the other mac changers wouldnt work on my unit. this worked the first time. I have my browser back!
September 26, 2007

juriaan said:

  when or why must i use this tool?
September 26, 2007

Cleidophoros said:

 
when or why must i use this tool?


here and thats why you should use this...

This can be of use for people that have changed Wifi boards in the PSP, or if they have changed the MAC address manually.
September 26, 2007

unknown99 said:

  Where do i find the proper mac address of my psp?

thanks
September 26, 2007

SKEDAR said:

  Useful for those ones who cannot see their REAL PSP MAC Adresses with a WiFi Link Wireless Lan Utility. I am going to test it soon, but for the time being, PSP MAC Adress Changer V2 from G54Macid is useful too.
September 26, 2007

Brin said:

  I had written a custom MAC address to IDStorage (00:11:22:33:44:55. Heh) and ran this to see if it would change my MAC back to normal. Sadly, it just changed the key to 00:00:00:00:00:00. I already have my original address backed up, but I figured you guys might like to know.
September 26, 2007

OdF said:

  could this fix the problem wifi problem on the slim 371m33?
September 26, 2007

cswindle said:

  Brin: I would expect that is due to not being able to start wifi, did you have wifi enabled? If you didn't just enable the switch and do it again.

OdF: I am not aware of what problem you are talking about on 371 m33 as mine works fine.
September 26, 2007

shortboy said:

  Very nice. I changed my wifi board a couple weeks back because my headphone jack was messed up (obviously on the same board) and all went well. Browser worked and etc but I never bothered to game share until last night and realized that mac addresses do matter ahahh. Good stuff.
September 27, 2007

Brin said:

  cswindle: Yep, tried it with every combination of kernels, WLAN switch on/off... Still no joy. It's only an issue because I switched my board a while back, and I can't remember which board my backup's for smilies/cheesy.gif
September 27, 2007

aximgeek said:

  Nice nice work. Very little documentation out there on the side effects of swapping out the Wifi borad. This utility is great - I can now do game sharing as well. Kudos to the noobz team!!!
September 27, 2007

cswindle said:

  Brin: What firmware are you running on your PSP, does the WLAN LED light up, are you able to use wifi to connect to an access point?

If you can connect to an access point, you can get the MAC address by testing the wlan connection via the PSP menu and at the bottom of the test report is the MAC address.
September 27, 2007

discobill said:

  yeah i have the same problem as Brin
except i didnt change my mac address, i just decided to run it to see if pandora had done anything silly, now i have the interesting mac address of 00:00:00:00:00:00
and despite numerous efforts, any attempt to bring it back to the correct value will work, but adhoc still breaks.
its interesting.
September 28, 2007

Chris Swindle said:

  discobil, brin: I presume you are running either on firmware 150, or have the custom firmware set to run applications in ms0:/PSP/GAME using 150 kernel. Try out the updated version of the macfixer that I have just uploaded and it will at least return an error message saying what was wrong.
September 29, 2007

PSP User said:

  On m33 v3.71 GAME folder set to 3.71, the program runs and says MAC address is set correct. Then, nothing happens. I was using the original posted fixer yesterday and exited out using Home. Every time I tried to use WiFi I got an error which I think was 00000001 or something. Now that I use the updated fixer it works but still doesn't exit unless I use Home. Is this how it's supposed to work?
September 29, 2007

Chris Swindle said:

  PSP User, that is telling you that it is set correct and hence will make no change. When you go to system settings does it show a MAC address if it does then any problem you are having is not due to having it wrong.
September 29, 2007

discobill said:

  cheers your updated version worked for me.
congrats on solving the problem without asking any questions!
October 02, 2007

vinny said:

  this is like a spoofer, innit?
cause i changed my psp's mac to my computers mac (psp can't connect to router, pc can cause of router settings)
and the psp couldn't connect to the router.

so, how would i go deep in the psp and change the mac address?
October 28, 2007

Chris Swindle said:

  vinny, not sure what app you used to try and change the mac to your computers mac address, but it was not this. Also if you have changed you mac using another application then you would still be able to connect to a router as you have not changed the real mac address of the wifi card, just what is displayed in the PSP XMB menu as changing the real mac is not possible (or at least not publicly known at the time of writting).

This application does not spoof, it just sets the mac that the XMB uses back to the real mac address of the wifi card. You should add the PSP to the router which is going to be a lot more sensible than trying to spoof a mac adddress of another machine.
October 28, 2007

venom said:

  please, I want to change my mac address slim psp...
October 28, 2007

Chris Swindle said:

  venom, you can not currently change the mac address that is used in communication to the access point as that is controlled by the wifi controller. There is a possibility that it would be possible to change the value on the card via software, but I do not imagine that there are that many people that would bother with that, when the main reason would be to add to an access point, which you can just add to the list of mac's supported.
November 03, 2007

venom said:

  Thanks Chris, but I just change system information displaying, not really value smilies/grin.gif
I can changed it using IDstorage manager yesterday.

Sorry my english bad, I'm not American.
smilies/cry.gif
November 04, 2007

BrownFOX said:

  Hi, nice tool.
Can we also expect a new update for NetConfigBackup?
the latest firmware releases after the summer wont work anymore with this tool.
And its no fun to enter a 64 char wpa key smilies/undecided.gif
it's also a nice combi to this tool.
November 08, 2007

zigothack said:

  Hi..my mac address have been change into 00:00:00:00:00:00 ,after i use the macfixer.Sadly,i forgot to backed up my original address. smilies/sad.gif.
So,how to get back my original address back???plz...
Can i know the important of the mac address to our psp??
November 26, 2007

mato said:

  im here in japan and bought a slim psp 3 days ago.... and oh, I thought its simple to mod slims... but i have no problem with a modded psp since my roomate has a fat and modded psp... my big problem is i think i cant convert nor buy another psp slim battery for the use of pandora (considering that the price of battery here is about 4,000 yen I think)... what should i do? how can I buy a pandorizable battery (again battery price here is quite high..) any help? is the battery of fat and slim the same? i plan to get my friend's battery and exchange it to mine since his psp was bought a year ago... guys anyhelp pls??? smilies/smiley.gif
November 28, 2007

irfan said:

  Hey,will this really help or make my problems evn worse?
i SERIOUSLY Lost my MAC id...i cant evn open the internet in XMB and play ad-hoc
Emal me OR smthing someone>?

This e-mail address is being protected from spam bots, you need JavaScript enabled to view it
November 28, 2007

PetJon said:

  I have changed my wifi card and now i'm unable to connect.
So i hope this would help. Afters starting up, i get the messages, see below, and nothing happens:

sceNetInit()
sceNetAdhocInit()
sceNetAdhocctlInit()

I got firmware 3.71 M33-3

Please help
December 01, 2007

shoestring39 said:

  Will this work on a Standard PSP sofware 3.5 or do I need to load a custom firmware.

I just replaced the WIFI and now the Game Sharing does not work. MAC addresses do not match.
December 09, 2007

Jill said:

  i come from china
i ues your tool just now,but nothing happen
when i use this tool,must my PSP conenct to the intetrnet?
please
December 14, 2007

ogami said:

  guys can this mac address fixer can fix my problem coz i accendentally flash my nand back-up to my frends psp now my umd and wifi dont work.. i tried to manualy change my mac address using the test connection and writing the original mac address to my frends psp.. but after trying, adhoc didnt work and i use this app but an error message pops up sumting about 800----blahblah....please help
December 14, 2007

H3xx said:

  I am also having the same problem Ogami has. I did the same thing. My friends Slim was bricked, I used pandora's battery and a magic memory stick to flash it with M33 3.71 but it got stuck formatting flash1. I used my slim and dumped the nand then flashed his psp, after that m33 3.71 installed fine. Now the Wifi, UMD, and programs dont work. The UMD gives a "Disc could not be read" error and programs give the "The game cannot be started. The region code is not correct." I thought of trying to set the region in the recovery menu but that didnt fix my program problem. Any help would be greatly appreciated.
January 07, 2008

Jachra said:

  @H3xx

Did you dump your friends NAND too? If that is not the case, then you s*****d your friends PSP Slim.
You have installed your ID Storage on his PSP Slim. The ID Storage can not be fixed at this time without a nand-backup.
January 08, 2008

H3xx said:

  Thanks Jachra. No, I didnt create a backup of his NAND, Guess I'm sending it back to sony then, that blows. There has to be a way to create a new Idstorage.prx. We just need to figure out how.
January 08, 2008

Jachra said:

  @H3xx

Well, the scene is checking that. It is not a prx-file. In the first section of the nand-chip is a "space" that is called ID Storage. The ID Storage is divided in some sections called keys. Some of these keys are encrypted. The UMD-key is one of them. When those encrypted keys are replaced with other data or is broken, then the reading of a UMD fails.

When you send the unit back to Sony then make it a full brick. Flash original firmware in it. While flashing take out the battery and power cable. Then the PSP is fully bricked and Sony has to repair it.
January 09, 2008

H3xx said:

  What I'm planning on doing is creating a randomized dummy file that is 66MB and naming it Nand-dump.bin and then writing it. That should brick it, yep, it does. that is one pretty looking paperweight, lol.
January 10, 2008

Bog1996 said:

  I need the help with same problem:
Afters starting up, i get the messages, see below, and nothing happens:
sceNetInit()
sceNetAdhocInit()
sceNetAdhocctlInit()
and
now the Game Sharing does not work. MAC addresses do not match
Please give me advice how tj solve the problem.

PSP-1003/4 TA-081 firmware 3.71M33-4
January 12, 2008

x2pher said:

  please help me, i have a psp slim with version 3.71 M33-4, when i put some xmb and gameboot my psp is dead, i have my own pandora for 3.71 M33 but when i used it the pandora doesnt work and theres no display and no recovery mode, what can i do now, plaese help me and can you give me a software too, thank you so much, e mail at This e-mail address is being protected from spam bots, you need JavaScript enabled to view it
January 25, 2008

To PetJon said:

  I have found the problem and the fix!

Using IDStorage checker on Pandora Battery (Emerald edition) I checked the 0x44 and 0x45 keys.

As suspected the 0x44 was showing the old MAC address.

However, the 0x45 key was showing PSP1004 - this was odd as my PSP is 1003 . Then the penny dropped; I got the Wifi card from Hong Hong hence the Wifi Region showing as 1004.

Solution - Using Pandora (Emerald Edition)
===============================

Using IDStorage changer I changed the 1st hex entry on 0x45 from 02 to 01. The makes the WLAN region PSP100?

Now use KeyCleaner to clean the keys, it should clean the 0x45 key so will be the correct key for the region of you PSP (in my case PSP1003).

Remove Pandora and reboot as normal and use MACFixer again - it should now fix your MAC Address to correct one on the new card you have installed.

I hope this helps some people. smilies/grin.gif
February 02, 2008

Ade said:

  I have found the problem and the fix!

Using IDStorage checker on Pandora Battery (Emerald edition) I checked the 0x44 and 0x45 keys.

As suspected the 0x44 was showing the old MAC address.

However, the 0x45 key was showing PSP1004 - this was odd as my PSP is 1003 . Then the penny dropped; I got the Wifi card from Hong Hong hence the Wifi Region showing as 1004.

Solution - Using Pandora (Emerald Edition)
===============================

Using IDStorage changer I changed the 1st hex entry on 0x45 from 02 to 01. The makes the WLAN region PSP100?

Now use KeyCleaner to clean the keys, it should clean the 0x45 key so will be the correct key for the region of you PSP (in my case PSP1003).

Remove Pandora and reboot as normal and use MACFixer again - it should now fix your MAC Address to correct one on the new card you have installed.

I hope this helps some people.
February 04, 2008

cooldude said:

  ty very much my umd wasnt workin and my wifi to connect to ppl in ad hoc mode wasnt workin but now it is
umd still not workin tho ty very much if i had a credit i would so donate
February 25, 2008

Zerthimon said:

  Getting the following error at startup:
sceNetInit()
sceNetAdhocInit()
sceNetAdhocctlInit()

The above method doesn't help.
February 26, 2008

sahil said:

  dude i love you you helped me a lot . i am a sony best hacker i make sony psp . dude any help just mail me at This e-mail address is being protected from spam bots, you need JavaScript enabled to view it . i will help everthing for you man
February 27, 2008

Rox said:

  help me plss~~~ >.<
after i update my psp standard to 3.90 m33-3
it lost MAC address~
i cannot use wifi n game sharing as well now...
pls help me...
even i use MAC address fixer,it dosent work
it show :

sceNetInit()
sceNetAdhocInit()
sceNetAdhocctlInit()
error writing MAC address

wat can i do??
April 03, 2008

alex28 said:

  i have this region error problem, how i fix this?
pleassssseeeeeim desesperate!
April 10, 2008

alex28 said:

  i have this this psp region problem error, this game can be loaded
how i fix? pleaaase help
April 10, 2008

Skaa said:

  Can't connect to my route since I flashed my slim to cfw ( now 3.9 m33-2) Could this solve my problem ?
TIA
April 30, 2008

Skaa said:

  *router
April 30, 2008

Cheng said:

  I tried This and it got
sceNetInit()
sceNetAdhocInit()
sceNetAdhocctlInit()
this before stating out an error:
error trying to write updated macaddress or something like that
May 03, 2008

sahil said:

  hi buddyz facing some problem in wi fi experience itz like i had bricked my psp with t86 motherboard then flushed and replace the motherboard with t86 model for few day i could not use adhoc gaming mode then i herd of some mac address fixing i did it by noobz mac address fixer now adhoc works but the range with psp slim is less than .5 meters and even when i try to find wifi connection in my coll it fails where as the laptop showz connections and get connected too and then when i stand under wifi router it shows 7% only the strength. help me with this problem
May 05, 2008

ha said:

  is any one on her that can help me
May 18, 2008

Ret said:

  UP
After a bad Pandora dump restore i have non working ad-hoc and UMD.
Does this program will restore my MAC to the correct one? i've already used it but ad-hoc keep not working.
Do i have to manually fix my 44 and 45 keys?
Will an updated version of the application be released?
May 26, 2008

mac said:

  I ran the program and i got
sceNetInit()
Error starting adhoc, rc=8002013a
Pleeeez help im running 3.90m333-3 and i can't do anything that reqires a the use of wifi or adhoc
August 06, 2008

yipi said:

  hi guys i hav a similar problem except i cant even use mac fixer or even start anyfing for dat matter and my mac add is gone it all started wen i was installing cfw 3.90 m33.3 on a 2.71 OE the psp was bricked a year before now ive did that it bricked again along with that the mac add went as well can any1 please help
August 24, 2008

nivram23 said:

  Hi. Is it also compatible with 3,93 firmware version?
September 21, 2008

yqewuewqyiui said:

  will this automatically set your mac add the way it was before to the correct places?
September 27, 2008

PSPGUY said:

  thanks man this helped me alot =)

great job smilies/smiley.gif
October 08, 2008

andeng4 said:

  can dis fix my wlan error "an internal error has occured 80410a0b" then the wlan light did not light anymore
October 11, 2008

hamid1129 said:

  thank you
October 22, 2008

ireallyneedhelp said:

  guys, im trying to read a lot of forums about "getting stucked in FORMATTING FLASH1...". But until now, I can't get a proper solution. I managed to get only: to put magic MS and the pandora battery into someone's PSP, then NAND dumped, then restore in my bricked one. I'm using Slim OFM 3.71. While I'm playing God Of War, suddenly, it just turned off. I managed to fix it before using pandora set, and i succeded. this second time it was full bricked, but i cant get thru with this. Pls pls pls..really need your help, experts...
November 10, 2008

Maxtor said:

  hi, i was refered here form this guide http://pspslimhacks.com/forum/index.php?topic=974.0
to restore my missing mac address on my psp phat. my psp still can run isos or whatever normally but cannot wifi or gameshare with my friends. so will this macfixer updated repair this problem. Does it needed to be used together with pandora battery?
December 24, 2008

wan said:

  error writing MAC address
cfw 5.0 m33-4 have tried almost everything does any one know how to fix it manually by opening the psp perhaps but u have given my psp hope
January 01, 2009

JeGZ said:

  thank you Chris Swindle for this psp app..it fix the game sharing problem on my psp..to be honest i thought my psp has a broken wifi device but i notice why does my internet browsing working. then i google the error number and i was directed a forum and i read about this WiFi MAC Address Fixer that fixes the same error i have. and there it was, game sharing is working again..

thank you again. i'm very happy.. smilies/cheesy.gif
March 22, 2009

christianh said:

  how do i find out what my psps mac adress is?
April 07, 2009

Blade said:

  You guys Rock!!!!!!!
June 06, 2009

Lorenzthegreat said:

  wow, THANKS ALOT!!, it worked for me now thanks alot!!
June 12, 2009

NinjaSword123 said:

  i need help changing my mac address i got 5.00m33-6 in psp slim i tryed everything and nothing!
June 14, 2009

Andrew V.... said:

  thanks a lot this really helped me......!!!!!!!!!!!
June 27, 2009

Marcus101rr said:

  I now have the 00:00:00:00:00:00 and now I cannot do anything anymore. Anyway to restore my old mac or get a proper one?
October 01, 2010

john lizardo said:

  your the man Chris Swindle! its my problem since i bricked my psp. now i can enjoy metal gear peace walker's coop mode! many thanks man!
November 03, 2010

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