Korea Revises KC Safety Standard for Tablet PCs: What It Means for Large-Screen Smartphones
The Korean Agency for Technology and Standards (KATS) has revised the KC Safety Confirmation criteria for tablet PCs by increasing the minimum screen diagonal size from 17 cm to 20 cm . As a result of this amendment, large-screen smartphones that were previously classified as tablet PCs for KC Safety Confirmation purposes solely due to their screen size will no longer fall under the tablet PC criteria. Instead, they will be clearly regulated under the Supplier's Declaration of Conformity (SDoC) framework applicable to smartphones. The revised requirements will take effect on November 1, 2026 . Q1. Why were large-screen smartphones previously classified as tablet PCs? Previously, devices with a screen diagonal of 17 cm or larger were classified as tablet PCs subject to KC Safety Confirmation . As a result, some large-screen smartphones with screen diagonals of 17 cm or more, such as the Galaxy Ultra , were also classified as tablet PCs and were required to undergo the KC Saf...