Samsung Smartphone:Second-generation BlackJack i637 vs SCH-r900

i637 is Samsung and AT & T operator launched a joint custom inherited BlackJack cell phone, also claim to be a second-generation BlackJack. Running on Windows Mobile 6.1 system, than the previous generation of compact and lightweight BlackJack lot.

The Samsung Jack i637 with straight design, with the same generation of products, it also equipped with a full QWERTY keyboard, mobile phone square in central navigation keys feel very good to use. In the comparison of the performance of business intelligence well, instant messaging software, deal with multiple email accounts and Microsoft Office Outlook Mobile and other procedures of all equipment. At the same time, we understand that this phone will be officially launched at Microsoft after WM6.5 upgrade the current system directly to Windows Mobile 6.5.

SCH-r900 is not only to support LTE network, but also backward compatible with CDMA / EVDO network, the specific parameters for the time being still unknown.