Sony Ericsson Xperia Arc has appeared at the FCC complete with GSM AT&T bands built-in (including HSPA/HSUPA & UTMS 2/5. The device can also be used on T-Mobile, albeit without support for 3G.
The Xperia Arc runs Android 2.3, aka Gingerbread,Xperia Arc has features a 4.2-inch display with 854 x 480 resolution, a 1GHzx Qualcomm Snapdragon processor, 512MB of RAM, a microSD slot for up to 32GB of storage, a 1500 mAh, an 8MP camera with support for 720p video, Bluetooth, WiFi, GPS and an FM radio. Under the hood, the Arc sports a 1GHz Qualcomm MSM8250 processor.
The Arc also offers impressive home theater capabilities through its HDMI out port. The device has a specialized interface for big screens that enables users to quickly browse through media stored on the phone.