(E.4) Go to Recovery mode (Power off your PSP by holding the power button for 10 seconds.
O.4) Official firmware update 5.00 Files to be downloaded and extracted: (a) Custom firmware 3.52 M33 (DL. Revert your kernel to 3.52 (or any kernel above 3.52 like 3.90). (C.5) In your PSP, browse to your Memory Stick and run the program ).
If you have followed the instructions in my previous post Installing PSP custom firmware 5.00 M33, please start from Section F.
Turn on your PSP while holding the right shoulder button to go into recovery mode).
Background defocus is two photos (main subject and background) being composed together, the distance between must be 2m or more, otherwise the main subject could be defocused too.1.