elow sir im new in psp n homebres im one of the noob ppl who upgraded their psp to 3.11 and still w8ting for the 3.11 downgrader. while i w8t i would like to ask 4 help regarding some software i never herd b4 and to be familiarized w/ the field of psp. 1. what are the firmware of psp? from 1.5 to 3.30. 2. what are their differences? 3. what is devhook? what firmware should i use it? 4. what is hen? 5. do i realy nid devhook na hen in using homebrew? 6. what is downdater? 7. what is sdk? 8. what is homebrew inabler? hope you could help me with my question. for sure this will help me when 3.11 downgrader is out thx in adv.!!!