Needless to compare, X3,5611are not smart phones, and their expansibility, speed and appearance are not comparable to e66. First of all, the screen of e66 is 2.4 inches, and x3,5611is 2.2. Ucweb of E66 Symbian v3 system can access the Internet quickly and save traffic. The latest version of qq20 10 is installed, which is convenient for chatting, making friends, playing qq games and stealing vegetables. You can also run multiple softwares. You can surf the internet while hanging Q and listen to your favorite music. How about x3,5611? If you need navigation, e66 also supports GPS and A-GPS. Do you have x3,5611? E66 metal shell is fashionable and beautiful, X3,5611plastic shell. However, e66 also has some shortcomings: the chassis is easy to stick fingerprints, the earphone jack is 2.5mm, and the ordinary 3.5mm plug is not common, and the price is about 500 yuan higher than x3, 56 1 1. You can also test 6730c (heavy plastic), 6720c (unsightly appearance), 6220c (off-the-shelf), 6700s (short standby time, 860mA battery), 5700xm (hard to buy), e63 (cost-effective, 1500mA battery, full keyboard, some people are not used to it.