: Alex knew that a standard USB update wouldn't work anymore. He had to use the SP Flash Tool
| Firmware format | Typical method | Tools required | |----------------|----------------|----------------| | OTA .zip | Recovery mode → “Apply update from ADB” or SD card | ADB, stock recovery | | pac (Spreadtrum/Unisoc) | ResearchDownload / UpgradeDownload tool | Windows, USB drivers | | ofp (Oppo/Realme) | OFP extractor + fastboot | Unlocked bootloader | | img files | Fastboot flash | Fastboot, unlocked bootloader | zxdz 01 android update
The ZXDZ 01 smartwatch uses a proprietary operating system, not Google's Wear OS. This means updates typically come from the manufacturer through a companion app. : Alex knew that a standard USB update wouldn't work anymore