The ROG Phone 6 contains a vertical RGB LED symbol of the Republic of Gamers logo that the user can customize to their desired colors, static or dynamic.

ASUS totes this feature as "a new advanced cooling system that allows airflow unlike any ROG Phone before.

"[12] Early reviews speculate that this vent flap may work in tandem with the Areoactive Cooler 6 attachment meant to be utilized during heavy gaming sessions.

A render of the ROG Phone 6 with Batman inspired themes and skins was leaked and shared by GSMArena on September 9, 2022.

The accessory features a thermally conductive pad, a copper plate, a peltier element, cooling fins, a centrifugal fan, and an "AI Controlled" humidity sensor.

The accessory also features a plastic kickstand to allow the user to prop their phone up horizontally while on a flat surface.