Review: Samsung Blast
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The browser uses both soft keys as menu buttons, the left labeled options and the right labeled menu. Only in the browser the menu on the right, not the left, provides the expected application options (enter URL, refresh, etc). The menu on the left just seems to echo modes and functions provided by the select key.
Browsing, even on EDGE, is relatively speedy. The Blast can navigate off T-Mobile's deck to any mobile web page, and does a good job handling the variety of layouts those tend to present.
Customize
There are two themes on the Blast: white and black. They are exactly the same except that one uses a white background and black text and the other is reversed. Both use the T-Mobile pink background and white text for selected items. Unfortunately both also use a medium grey for any additional text in selections. The grey and pink have about the same lightness (value), making the additional text difficult to read. This becomes a problem when trying to read which number you have selected for a person in the contact list.
You can customize the wallpaper with any picture on the phone. You can also use this picture as your menu background throughout the phone's applications. You can adjust the transparency of the picture you've selected, to fine tune using it for the menu background.
You can easily set any of your own mp3s stored on the phone as a ringtone.
File Manager
The file manager lets you access, use and move any file on your phone or the memory card. It also is used to access the gallery, music player and other file-dependent applications.