Ac8257 Firmware New [hot] Jun 2026

If you own an aftermarket Android car stereo, chances are high that it is powered by the chipset. Widely known as the "Star" or "UIS7862" (though technically the 7862 is a variant of the AC8257 family), this processor from Unisoc powers millions of head units sold under brands like Eonon, Xtrons, Joying, Dasaita, and countless generic units.

If your unit has a brand name, go to their official site. Brands like Joying or Eonon provide specific downloads by model number. ac8257 firmware new

The (also known as the AC8259) is a widely used System-on-a-Chip (SoC) manufactured by AutoChip, powering a vast array of mid-to-entry-level Chinese Android head units. As of early 2026, keeping your AC8257 firmware updated is essential for maintaining compatibility with modern smartphone integration like CarPlay and Android Auto . Why Look for New AC8257 Firmware? If you own an aftermarket Android car stereo,