Announced at the Mobile World Congress on February 16, 2009, the KM900 is the first phone to feature LG’s new 3D S-Class user interface.

The phone has a built in web browser, with HSDPA (7.2 Mbit/s connection) and Wi-Fi capabilities (no WPA-Enterprise).

[3] Arena is the first globally released phone to feature Dolby Mobile surround sound.

Some alternative (and older) firmware versions, like V0O_02, implement the solution for this problem, but were not developed by LG and result on device's performance decrease.

However, this phone has proven to be very unreliable with a constant tendency to freeze when the user are multi-tasking or try to read a message too quickly after reception.