Yes, you can The firmware goes across board to all models of PSP. This includes the Customer Firmware and the Original Firmware.
Canon copier firmware or harddisk software?
This would depend on what firmware you wished to update. Most firmware is only covered by their manufacturers official website and using other firmware would invalidate your warranty.
The newest known firmware for the PSP is 5.54
Type *#0000# to show firmware version.
Um, I would suggest to pay someone 20$ for them to put custom firmware. the latest firmware has a lot more functions compared to the 1.50. For example a skype function, a rss function. Internet radio, etc. You are not running any risks, if someone bricks your psp - you can unbrick it, so don't worry.
To serve a ritual function.
Firmware is the name given to the set of programs that are an integral part of the operation of a computer's hardware. They enable to hardware to function properly and allow software to run on the hardware. It is called firmware because it's not software not hardware as well
How does cholesterol function
By the Function they serve
Egagt
The function of seeds are for the plant to reproduce.
they serve as controllers
the head
By the Function they serve
Irrigation system
yes