i-mateからWM6.1アップデート

■At last: Windows Mobile 6.1 ROM Upgrade for i-mate Ultimate series released
http://msmobiles.com/news.php/7876.html
The Windows Mobile 6.1 upgrade is available for the following devices:

Supported i-mate mobiles
i-mate Ultimate 9502: Instructions | Available now
i-mate Ultimate 8502: Instructions | Available now
i-mate Ultimate 6150: Instructions | Available now
i-mate Ultimate 8150: Instructions | Available now
i-mate JAMA 101: coming soon
To learn more, or to get this upgrade, visit https://www.imate.com/st-WindowsMobile6_1.aspx

日本には何台くらいi-mateの上記端末があるんでしょうね？