OK, the phone is approximately 5.11 inches long and 2.36 inches wide, which is fine; but it's also approximately .63 inches in depth and that may come across as bulky to some. I think it's bulky because I am the type of girl who likes to carry my phone in my pocket book or even my back pocket; however, if you keep it somewhere in your handbag this obviously isn't such a concern. So, I guess the size of the phone may be considered bulky or not relative to your preference.
The screen is 3.2 inches with WVGA resolution, which means that websites that are formulated to 800 wide screens can be rendered full paged on the Jump. This is one of the best qualities of the Sharp Jump when coupled with the 3G connection as our generation spends more time browsing social networking websites than actually making phone calls, and these social networking apps load fairly quickly on the Jump; although some websites take a while when using the installed Opera Mini browser. The screen slides out and swivels to reveal a nice looking QWERTY keyboard, which is essential for all the Facebook status updates and the constant texting,
Aside from the fact that it looks a little fat, compared to my BlackBerry Curve, the Jump is fairly stylish, especially if you like anything that can slide, flip or swivel… I don’t. The Sharp Jump is almost an exact replica of the Sidekick in terms of design (though not necessarily features) and the same as the Mobiflip that was released by Sharp late last year.