: Unzip the downloaded firmware. You should see files like a .bin file and a scatter file.

The is a critical firmware milestone for ZXDZ-01 and WJ car multimedia head units powered by the MediaTek MT8227L and AC8227L processors . This system update, released alongside various 2021 build revisions (such as the stable 10.12.2021 build), targets low-cost 1-DIN and 2-DIN Android car stereos featuring 1GB/2GB RAM and 16GB/32GB ROM configurations. The update stabilizes the underlying Android 8.1 / API 27 architecture, resolves persistent application crashes, optimizes the MCU (Microcontroller Unit), and provides better Bluetooth and Wi-Fi stability.

The represents a significant effort to extend the life and improve the performance of many aftermarket Android head units. Whether your goal was to gain a newer Android OS, enhance system stability, or simply access the latest features, these updates provided a valuable boost to the in-car experience.

The specifically refers to firmware and software updates for the ZXDZ-01 (WJ) Chinese Android head units, typically powered by the MT/AC8227L processor. These devices are popular aftermarket car stereos, and the December 10, 2021, firmware is one of the key stable releases used for manual flashing. Device Identification

Tap your profile icon > > Updates available . Select Update all and restart the unit once finished. 3. PC-Based Flash (Advanced)