You may have flashed the wrong firmware. Locate the exact model number of your car stereo or device PCB and try again.
Upgrading your (also known in some markets as the Allwinner T507 ) Android head unit or automotive infotainment system is the most effective way to resolve system crashes, fix sluggish performance, and resolve connectivity bugs with tools like ZLINK5, Apple CarPlay, and Android Auto . allwinner t5 firmware update full
This is the safest method for routine software and app version updates. You may have flashed the wrong firmware
Download and install the Allwinner USB Drivers and the PhoenixUSBPro tool on a Windows PC. This is the safest method for routine software
Look for a full image package, which typically arrives as a large compressed archive containing a .img file.
The Allwinner T5 is used by dozens of manufacturers (e.g., Eonon, Xtrons, Joying, Atoto, or generic Chinese brands). You need the or "About Device" information.