how to make your psp custom firmware

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These steps will tell you how to make your psp into a custom firmware for both fat and slim!! (I dont take any responsibility if your psp bricks you are trying this on fully your basis) 1.Make a pandora batt and magic mem stick search you tube how to or buy one off ebay. 2.download the update you want to install on your psp 3.download the m33 plugin for whatever firmware you chose in step 3 4.put your files in mage mem stick 5.and a black message should say installing updates. 6.to check if you ahve cfw now 7. hold r trigger when you start psp and then a service menu should open up.