Sony Ericsson Xperia acro

The Sony Ericsson Xperia acro is an Android-based smartphone produced by Sony Ericsson Mobile Communications in Japan. The device has several additional functions for Japan customers from Xperia Arc. It was launched on 24 June 2011.

This model is the last Sony Ericsson branded phone to be released in Japan, while Xperia Arc S is the last internationally.

Sony Mobile Communications (formerly Sony Ericsson Mobile Communications) released the Sony Ericsson Xperia acro HD as succeeding model of Xperia acro.

Basics
The Xperia acro is supplied by "NTT DoCoMo" and "au by KDDI" which are Japanese mobile phone operators. Each operators' devices are called Xperia acro SO-02C (NTT docomo) and Xperia acro IS11S (au).

Each mobile phone operators adopt different communication interfaces. The "Xperia acro IS11S" supported CDMA2000 with Japanese Xperia product first.

The Xperia Acro is available in a choice of either Black, White, Aqua (SO-02C only), or Ruby (IS11S only).

Specs

 * OS – Android 2.3.3 (Gingerbread); no official support to upgrade to Android 4.0; custom ROM's available
 * CPU – 1 GHz Qualcomm Snapdragon processor
 * RAM – 512 MB
 * SDHC – 32 GB microSDHC (expandable up to 32 GB)
 * Display – 854×480 pixels, 4.2-inch Reality display, Sony Mobile BRAVIA Engine
 * Image sensor – 8.1 mega-pixel camera (Exmor R)
 * Image output – HDMI-out

Added functions for Japan

 * FeliCa(NFC) – used for Wallet Mobile in Japan
 * IrDA – used for the exchange of the address book with the existing Japanese cell-phone. (Refer to 'Feature phone', 'Mobile phone industry in Japan')
 * 1seg – is a mobile terrestrial digital audio/video and data broadcasting service in Japan.