Earlier Road Top units displayed CarPlay in a letterboxed 2/3 screen. The introduces true full-screen CarPlay for most NBT (Next Big Thing) and CIC (Car Information Computer) systems.
This is the most common way to update Road Top Linux screens and decoder boxes. roadtop carplay update
When Apple releases iOS 17, 18, or newer, older Roadtop firmware often fails to boot Carplay. An update ensures your unit remains compatible. Earlier Road Top units displayed CarPlay in a
However, the update process for aftermarket systems is not without its challenges. Unlike a Tesla or a modern BMW, where updates happen "Over-the-Air" (OTA) via a cellular connection, Roadtop updates are typically manual affairs. They require the user to download files onto a USB flash drive, insert them into the unit, and navigate through a specific sequence of menus. This creates a digital divide; while tech-savvy users can easily unlock new features—such as UI tweaks, improved voice recognition latency, or support for rear-view camera overlays—less experienced users may find the process daunting. It highlights a drawback of the aftermarket ecosystem: the user assumes the role of system administrator for their vehicle. When Apple releases iOS 17, 18, or newer,