Samsung has finally put up the SGH-i617 (BlackJack II) rom update page again to upgrade your Windows Mobile to the latest version 6.1. The rom update requires Microsoft Activesync 4.5 and involves installation of extra samsung modem drivers. The upgrade instructions page is long, but detail enough for you to go through step by step.

grab your rom update software and instruction here:

• BlackJack II 6.1 Download for Windows XP
• BlackJack II 6.1 Download for Vista

via [wmexperts]