Things You'll Need
Instructions
Take the clean cloth and put it on the work surface. Take the PSP and put it face down on the cloth. Remove the battery compartment and then the battery.
Take the lint-free cloth and clean around the edges of the battery compartment. Use the camel's hair brush and blow out any dust from the battery compartment. Clean around the edges of the battery compartment. Lightly dip a cotton swab into the rubbing alcohol and rub it against the battery contacts in the battery compartment.
Wipe the lint-free cloth around the sides and on the battery contacts of the removable battery. Rub another lightly dipped cotton swab against the battery contacts of the removable battery. Put the battery aside to dry.
Remove the memory stick from the PSP memory-card slot. Put the removable battery back into the battery compartment and ensure that it is well seated. Put the cover of the battery compartment back on.
Plug in the battery power-adapter charger to the PSP. Pick up the PSP and release the latch to open the UMD drive. Insert the UMD disc with the firmware update into the UMD drive and close the UMD lid. Put the PSP back down on the cloth face up. Press the Power button and wait as the UMD disc loads in the firmware update and reboots the PSP.