Internal stress tests conducted post-update revealed significant improvements:
The primarily refers to firmware and software releases for ZXDZ-01 (and related WJ models) Android head units , which are popular aftermarket car stereo systems. Key Update Highlights (December 2021) zxdz 2021 update
Warning: If you purchased a "Blue PCB" ZXDZ from AliExpress in 2020, The manufacturer added a fuse check in v2.1.8 that permanently bricks counterfeit units lacking the original security IC. Legitimate "Green PCB" or "Red PCB" v3.2+ units update seamlessly. zxdz 2021 update