Sony issued a new firmware update for the Sony PSP. The PSP Firmware 5.03 is a minor update and is supposed to improve the stability of the Sony PSP.
There are no further details on the specific fixes.Sony last updated the Sony PSP in November with firmware 5.02, which was also just improving stability.
It looks like Sony is still working out issues that they introduced with the major PSP 5.00 Firmware update back in October.
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