World’s slimmest Windows Phone Yezz Billy 4.7 (7.2mm thin) can be purchased online in the USA for $179 through the Microsoft store.
The Yezz Billy 4.7 sports a 4.7-inch IPS HD display with Asahi Dragontrail glass and 1280 x 720 pixels resolution. It is powered by a 1.2 GHz Quad-Core Qualcomm Snapdragon 200 processor and coupled with Adreno 302 GPU.
The Yezz Billy 4.7 runs Windows Phone 8.1 OS and supports dual micro SIM (WCDMA+GSM) with dual standby functionality. It comes with 1GB of RAM and is also equipped with 8GB of internal storage that is further expandable with up to 128 GB MicroSD card.
The Billy 4.7 houses an 8-megapixel auto-focus rear shooter and also boasts a 2-megapixel front camera. The connectivity options include Wi-Fi 802.11b/g/n, Bluetooth 4.0, micro-USB v2.0, mobile hotspot, GPS, GLONASS, and 3.5mm audio jack.