According to @uplaeks report Sony Lavender is likely to release as Sony Xperia C5 Ultra. This information comes immediately after the device is tipped to be called Xperia T4 Ultra.
Specs-wise, the handset is rumored to run on a MediaTek MT6752 SoC with 1.7GHz octa-core Cortex-A53 CPU, and packs 5.5 inch 1080p display. Further, It is said to accompany 2GB RAM. In camera department, it has 13MP Sony IMX214 sensor, and a 5MP front-facing camera with LED flash. It run Android 5.1 Lollipop.
The Xperia T4 Ultra rumor purports that the smartphone will be launched next month. There is, however, no word on the global availability of handset.