1. Tuya common firmware (Update the released solution firmware version.)
2. Tuya baseline version (Update common functions.)
3. Customer product firmware (Add new selling points.)
When Tuya firmware is upgraded, the upgrade package will be pushed to you for verification. Click on the product list and jump to the "Hardware Debugging" page for replacement.
If you customize the firmware, you need to add the custom firmware on the hardware debugging page, and then go to "Device Configuration - Firmware Upgrade" to perform OTA upgrade through "Add Firmware Version".