Sony Xperia Ray ST18a/I was shipped with Android Gingerbread on a 1GHz Qualcomm snapdragon processor paired with Adreno 205 GPU. Every Xperia Ray user is looking for Android 4.0.4 ICS firmware update and they can get it now officially. But Sony didn’t release the Official update via over the air (OTA). Users must download the rom package from official site and install the Android 4.0.4 ICS firmware update manually through flash tools on their Sony XPERIA Ray ST18A/I devices. We are providing detailed tutorial and Firmware package that will guide you to installed latest ICS update on Xperia Ray. The latest Official Android ICS was dubbed with FW 4.1.B.0.431 firmware version and this update has many bug fixes and also added new features. Sony has also tried to resolve the battery drainage problem, enhanced other features and solved Wi-Fi disconnection issues.