✔ 最佳答案
only 1.5 and 2.71ver. can play download game。
you can upgrade your psp2.6 to 2.71(absolutely safe)
2006-11-30 19:58:30 補充:
you can ungrade psp by using 2.71 ver.s’umd or thoungh internet and download the file povide by sony web site
you are suggested to go to Uwants forum to get more information(just go yahoo to search Uwants)