Productivity features such as Continuum mean the phone can work like a PC when connected to a screen, while Windows Hello brings added security with the fingerprint reader. The Idol 4S also comes with virtual reality goggles that attach to the phone for playing 3D games or watching 360-degree videos. In addition, the phone includes a free 45-day trial for Hulu Plus, a 30-day trial for Groove Music and a free copy of the Windows 10 Mobile game Halo: Spartan Assault.

The phone features a 5.5-inch Full HD Amoled display, Qualcomm Snapdragon 820 processor with Adreno 530 GPU , 21MP main camera with Sony IMX230 sensor and 8MP front camera with 84-degree wide angle lens, a 3000mAh battery, USB-C charging with Quick Charge, 4GB RAM, 64GB ROM (with MicroSD support up to 128GB) and dual speakers. It will sell for USD 469.99, starting 10 November at T-Mobile.