These chips are favored by manufacturers because they are cost-effective and offer a good balance of performance and power consumption. However, because the hardware is often sold as a "turnkey solution" to many different head unit factories, the software can vary wildly.
Contact the seller you purchased the unit from. They often have Google Drive or Mega.nz links containing firmware packs. allwinner t8 firmware update
The Allwinner T8, once stuttering under the weight of bloated factory software, was now fluid. The CPU cycles were no longer being wasted on background tracking apps from the original manufacturer. He tested the Bluetooth—the echo was gone. He launched the navigation—it snapped to his location instantly. These chips are favored by manufacturers because they