XinZhiZao (XZZ) — Licenses and Activations for Repair Database
XinZhiZao is a professional database for service centers and repair engineers. It provides schematics, PCB layout layers, boardview/bitmap, service cases, and repair solutions for smartphones, tablets, laptops, and PCs of various brands (Apple, Xiaomi, Samsung, OPPO, VIVO, Lenovo, Dell, HP, and more). Access is granted via the official “Mobile Phone/Computer Maintenance Query System” software with an account.