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Author Topic: Can I Downgrade 3.90...  (Read 3202 times)
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*D*~ChosenOne~*D*
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« on: January 31, 2008, 02:12:17 am »
... With the Universal Unbricker V4? I am currently on 3.80 M33-5, and I want to try out the new Skype feature. So I am just making sure that I can go back to 3.80 M33-5 whenever I want to. Please Respond.
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PSP History - PSP Slim - 3.71, 3.80 M33-5, 3.90 M33, 3.90 M33-2, 3.90 M33-3.
kloplop321
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« Reply #1 on: January 31, 2008, 02:39:36 am »
If you create a NAND backup of all your flash memory and then you have it ready to restore after a pandora boot, then you should be able to, but I have never done anything like that before.
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*D*~ChosenOne~*D*
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« Reply #2 on: January 31, 2008, 05:07:31 am »
Iv'e gone to official firmware 3.80 back to 3.80 M33-5 before, and I have my nand dump on computer. I guess I can try this out soon.          
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PSP History - PSP Slim - 3.71, 3.80 M33-5, 3.90 M33, 3.90 M33-2, 3.90 M33-3.
Angelo
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« Reply #3 on: February 03, 2008, 11:38:38 am »
Install 3.90 M33
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