The vast majority of updates for the ZXDZ 01 are minor, offering bug fixes and stability improvements. Attempting to perform a major Android OS upgrade (e.g., from 8.1 to 10) is often impractical and risky.
Security and Functional Analysis of Proprietary Firmware Dissemination: A Case Study of the "ZXDZ 01" Android Update Mechanism zxdz 01 android update link
The most current and relevant links will be found within these active online communities: The vast majority of updates for the ZXDZ
Note: The update file will usually be named update.zip , system.img , or a proprietary format specific to your device's flashing tool. Prerequisites zxdz 01 android update link
After the installation completes, select "Reboot system now." Precautions Before Updating