whenever after i installed 660, 620 pro c b10 b9, my psp shut down by itself

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What steps will reproduce the problem?
1.
2. == i installed it in a correct way, i followed some forums advice==
3.

What is the expected output? What do you see instead?
i dont know since i never found what should come up after i updated it

What version of the product are you using? On what operating system?
620 pro c, 660 pro c b10 b9

Please provide any additional information below.
once my psp got semi bricked, cant go to sleep mode(if i did, it got bricked 
and shut down by itself) after i did something pretty stupid about upgrading os 
and stuff

Original issue reported on code.google.com by [email protected] on 9 Feb 2013 at 6:17