Quick Summary
Samsung's Galaxy Z TriFold phone is expected to be announced later in September and a new animation has emerged showing the folding action.
It also reveals how the rear cameras can be used to take selfies.
Samsung has been especially coy about its dual-hinge folding phone, thought to be called the Galaxy Z TriFold. Despite several opportunities to show off this new device, it has so far not been forthcoming, with rumours that it might now be scheduled to appear at an event on 29 September.
