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afterdawn.com > forums > consoles > sony psp - mod and firmware discussion > psp 2.6 firmware downgrade
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PSP 2.6 Firmware downgrade
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macpegg
Junior Member
_ 		11. December 2006 @ 01:05 _ Link to this message    Send private message to this user   
Can this firmware be downgraded to 1.5 yet at all if yes can someone tell me how? I have yet to open it to check the board, if i need to do this then i`ll come to that bridge when it comes.
PSP 1003 is on the bar code

I currently have a psp1006 and that was already a 1.5 so i didn`t really need to work to hard on that one. but the other one is going to be a present for Christmas so im kinda stuck..

Thanks in advance
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ibjaredu
Senior Member
_ 		11. December 2006 @ 02:13 _ Link to this message    Send private message to this user   
if you are talking about the barcode that has nothing to do with the firmware. for example PSP1001 are US.
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macpegg
Junior Member
_ 		11. December 2006 @ 02:15 _ Link to this message    Send private message to this user   
Yeah i realised that, the PSP1003 come from the UK.

Do i have to open the back of the PSP is the mobo numbers clearly visable from opening the UMD tray? As i can just about see some something, but looks like it starts with a Nmuber 1 rather then an T but then its too close a resemblence to guess...
[ + quote]
1300W Hi-Power
Asus M3A32-MVP wifi edition
AMD AM2 6000+
4GB Dual Channel Ram @ 800MHZ (GEIL)
1x Gigbyte 3870
1x HIS 3870
1x 300GB SATAII
1x 180GB SATAII
Water cooled
ibjaredu
Senior Member
_ 		11. December 2006 @ 02:24 _ Link to this message    Send private message to this user   
Yeah you have to. You can look at the letter on the box to determine the firmware though.

* F and below - is definitely not a TA-082.
* G and H - is probably not a TA-082.
* I - is far too likely to be a TA-082; core or value pack are equally likely.
* J and above - The likelihood of a TA-082 increases but is not universal.




no letter = 1.0 (Japanese Release) 1.5 (North-American release) confirmed
A = 1.5 confirmed
B = 1.51 confirmed
C = 1.52 confirmed
D = 1.52 confirmed
E = 1.52 confirmed
F = 2.0 confirmed
G = 2.01 confirmed
H = 2.50 confirmed
I = 2.60 confirmed
J = 2.70 unconfirmed
K = 2.71 confirmed
L = 2.81 unconfirmed

Hope that helps.
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This message has been edited since posting. Last time this message was edited on 11. December 2006 @ 02:26
macpegg
Junior Member
_ 		11. December 2006 @ 02:28 _ Link to this message    Send private message to this user   
i have just had a full on argument with an idot how seem to think you can play backups on a TA-82 board. IS this possible? I think its not... But he seems to think ya don`t have to downgrade just flash...
[ + quote]
1300W Hi-Power
Asus M3A32-MVP wifi edition
AMD AM2 6000+
4GB Dual Channel Ram @ 800MHZ (GEIL)
1x Gigbyte 3870
1x HIS 3870
1x 300GB SATAII
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ibjaredu
Senior Member
_ 		11. December 2006 @ 02:32 _ Link to this message    Send private message to this user   
you can run backups on TA-082 if it is 2.71 or below(you have to upgrade to 2.71 though). You have to flash a few files but you can cannot perform an all out downgrade.

http://forums.afterdawn.com/thread_view.cfm/399310
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This message has been edited since posting. Last time this message was edited on 11. December 2006 @ 02:34
macpegg
Junior Member
_ 		11. December 2006 @ 02:34 _ Link to this message    Send private message to this user   
great.. so I lost my argument. Whats the actual difference between all in all downgrade and just runing backups from 2.71?

thanks
[ + quote]
1300W Hi-Power
Asus M3A32-MVP wifi edition
AMD AM2 6000+
4GB Dual Channel Ram @ 800MHZ (GEIL)
1x Gigbyte 3870
1x HIS 3870
1x 300GB SATAII
1x 180GB SATAII
Water cooled
ibjaredu
Senior Member
_ 		11. December 2006 @ 02:36 _ Link to this message    Send private message to this user   
you install a lower firmware when you downgrade(usually to 1.5). when using HenD on a TA-082 it is just emulating 1.5)
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macpegg
Junior Member
_ 		11. December 2006 @ 02:37 _ Link to this message    Send private message to this user   
oh ok.. Accoring to the table above to determine the firmware via the box..

This box shows a C = 1.52 does this mean it was orignaly a 1.52 and was just upgraded via UMD to 2.6?
[ + quote]
1300W Hi-Power
Asus M3A32-MVP wifi edition
AMD AM2 6000+
4GB Dual Channel Ram @ 800MHZ (GEIL)
1x Gigbyte 3870
1x HIS 3870
1x 300GB SATAII
1x 180GB SATAII
Water cooled
ibjaredu
Senior Member
_ 		11. December 2006 @ 02:52 _ Link to this message    Send private message to this user   
well it means it was upgraded by some means. that psp is downgradable to 1.5.
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macpegg
Junior Member
_ 		11. December 2006 @ 02:59 _ Link to this message    Send private message to this user   
yay! So i can straight away upgrade to 2.71 then downgrade to 1.5?
[ + quote]
1300W Hi-Power
Asus M3A32-MVP wifi edition
AMD AM2 6000+
4GB Dual Channel Ram @ 800MHZ (GEIL)
1x Gigbyte 3870
1x HIS 3870
1x 300GB SATAII
1x 180GB SATAII
Water cooled
macpegg
Junior Member
_ 		11. December 2006 @ 03:15 _ Link to this message    Send private message to this user   
When placing the 2.71 eboot file into PSP/GAME/UPDATE

I then run this from the PSP, then I intilize the following

http://www.psp-hacks.com/file/755

and thats it? I do not need to dump any 1.5 files anywhere?


[ + quote]
1300W Hi-Power
Asus M3A32-MVP wifi edition
AMD AM2 6000+
4GB Dual Channel Ram @ 800MHZ (GEIL)
1x Gigbyte 3870
1x HIS 3870
1x 300GB SATAII
1x 180GB SATAII
Water cooled

This message has been edited since posting. Last time this message was edited on 11. December 2006 @ 04:22
macpegg
Junior Member
_ 		11. December 2006 @ 04:26 _ Link to this message    Send private message to this user   
i do not mean to double post as such.. just i`ve edited my post about 8 times now, coz i realise after searching around i was asking stupid questions.. Even though i may have asked another stupid one.. So just incase anyone looked and thought the answer would be stupid and not bothered to leave an answer...

thanks
[ + quote]
1300W Hi-Power
Asus M3A32-MVP wifi edition
AMD AM2 6000+
4GB Dual Channel Ram @ 800MHZ (GEIL)
1x Gigbyte 3870
1x HIS 3870
1x 300GB SATAII
1x 180GB SATAII
Water cooled
macpegg
Junior Member
_ 		11. December 2006 @ 23:39 _ Link to this message    Send private message to this user   
??
[ + quote]
1300W Hi-Power
Asus M3A32-MVP wifi edition
AMD AM2 6000+
4GB Dual Channel Ram @ 800MHZ (GEIL)
1x Gigbyte 3870
1x HIS 3870
1x 300GB SATAII
1x 180GB SATAII
Water cooled
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macpegg
Junior Member
_ 		12. December 2006 @ 02:46 _ Link to this message    Send private message to this user   
screen went red..... so far so good psp switches off!! boom!!!! its WORKED whoo hoo!! thanks for all your replies.......
[ + quote]
1300W Hi-Power
Asus M3A32-MVP wifi edition
AMD AM2 6000+
4GB Dual Channel Ram @ 800MHZ (GEIL)
1x Gigbyte 3870
1x HIS 3870
1x 300GB SATAII
1x 180GB SATAII
Water cooled
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