Japan's mobile operator NTT DOCOMO has unveiled its 2013 spring lineup of 12 models that will launch in sequence beginning on January 25. The lineup includes 11 smartphones and tablets, plus one mobile Wi-Fi router. The models feature upgraded versions of numerous popular functions introduced in the 2012 winter lineup.

In addition to LTE support,  most smartphone feature sets include capability of full-HD for high-definition video, quad-core CPUs, Android 4.1 and large-capacity batteries (2,000mAh or more).

Operator also announced “docomo Smart Home,” an all-new initiative for sharing videos, music and other content between smartphones and home electronics. The new spring lineup offers the “dtab,” a Wi-Fi-dedicated tablet with special features for DOCOMO services such as the dmarket portal, and the “SmartTV dstick,” a small flash drive-like HDMI device for enjoying movies and animation from dmarket, etc. on large-screen televisions.