The reason why Wi-Fi products cannot enter the test 2 production test process。

a. Please make sure that the test 1 production test process has been completed. It may need to be verified by turning on the test 1 router. Only test 1 production test process aging is finished that you can enter the test 2 production test. b. Please be sure that the product is not connected to the App. You can repair this device, and then remove the device from the App. After removing the device, the light will be flashing rapidly, let the lighting flashes for more than 10 seconds, and then turn off and on again. c. Please ensure that the test 2 signal strength received by the module is stronger than -60db, which can be verified by changing the distance between the lamp and the router. d. It is necessary to determine whether the module firmware has a customized production test process and to determine whether it is a dual-channel production test firmware, you can confirm this part with the relevant personnel from Tuya.