✔ 最佳答案
You must go to the website to chack about your PPC had the WM5 Rom or not.
Then you can go to the customer center to upgrate the Rom. (Or directly download on your own)
升級的教學亦不難從網路上找到,唯升級與否,用戶實在值得三思再三思!your PDA本身是為WM2003SE 而設計的,升級至WM5可要面對很多問題,就官方需要發表從WM5 降級回到WM2003SE 的降級程序可見升級後會令用家感到後悔而走回頭路!要是WM2003SE 用得還好的話,就不要自找麻煩咧!