A T-Mobile training guide for the Windows 10-powered Alcatel Idol 4S has leaked online, suggesting an imminent launch. The leak not only confirms some of the device's key specs, but also compares the phone with the iPhone 7 and Galaxy S7. Aside from this, the leaked guide also reveals that the a free VR headset will be included with the handset - something we already know. In fact, the phone will have a VR-as-the-box kind of packaging, meaning the packaging for the Idol 4S will transform into VR goggles. There is currently no information on exactly when the device will be made...
Source: http://www.gsmarena.com/new_alcatel_idol_4s_leak_reveals_packaging_that_transforms_into_vr_headset-news-21241.php
