Samsung shows prototype of Galaxy Z TriFold at Gyeongju tech showcase

Samsung publicly displayed a prototype of its long‑rumored trifolding smartphone at a technology showcase in Gyeongju, South Korea, late last week, offering the first in‑person look at a device that folds twice to expand from a roughly 6.5‑inch phone into an about 10‑inch tablet. The unit was presented behind glass at a side event coinciding with the APEC summit, and no hands‑on demos were permitted.

The device, widely referred to in leaks as the Galaxy Z TriFold though Samsung has not confirmed a final name, uses two inward‑folding hinges that let the screen bend twice to produce a single, continuous flexible display. Photographs and short videos circulated online show the phone in fully open and fully closed states and indicate a centered punch‑hole camera on the main display and multiple rear panels similar to Samsung’s existing foldable design language. Reported internal measurements place the device at about 4.2 millimeters thick when fully unfolded and roughly 12 to 15 millimeters when folded.

Samsung issued a brief statement confirming the showcase and saying in part, "Samsung continues to advance innovative technologies, including next‑generation form factors in the era...