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Q&A

Last Updated on：2026-04-08 02:38:15

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The robot vacuum enters the panel, and the device-side debug log does not show any related P2P connection requests. What could be the reason?
What does it mean when "errorCode":"EXPIRE","errorMsg":"token Expired" appears in the log?
Composite sweeper SDK, how to configure if you don't want to use audio and video features?
In the development of the SDK for the sweeping robot, how can the daylight saving time be correctly obtained if the target area adopts daylight saving time?
Which region is the device currently in according to the SDK activation?
How does the robot vacuum SDK development enable the device to proactively notify the app when it goes offline?
How does the robot vacuum SDK development enable the device to proactively notify the cloud when it goes offline?
During the device pair process, the Wi-Fi only connects to the router (status up to 6) and cannot connect to the cloud (status up to 7), resulting in the error "tcp connect failed h2.iot-dns.com:443 errno=101".
Why can't the device connect for a long time after going offline?
In the development of the robot vacuum SDK, how to keep the device ID unchanged after the device is reset? Which interface needs to be called?
In the development of a sweeper SDK, how to implement the version number reporting of an external expansion chip and perform firmware upgrades via OTA?
SDK development, what is the maximum number of bytes supported by RAW type DP?
What are the possible reasons for the app interface message "Upgrade failed, possibly due to weak signal, please check the device network and try again"?
Why does the app remain on the upgrade screen for a long time and cannot exit after a device upgrade failure and restart?
When reporting DP, the SDK reports an error "can't find free mqmde". What is the reason?
What is the reason for error -2318 when the sweeping robot SDK reports DP?
Why can't I find an entry to watch videos on the public version panel of the composite sweeper?
Robot Vacuum SDK, using demo to test OTA function, after clicking upgrade on the app, it prompts: "Firmware upgrade failed" The reason is: "The device's current battery level is low, unable to perform the upgrade.
Robot vacuum cleaner SDK, after the device connects to the router, the pair fails. Log error: [01-01 00:00:33 ty E][iot_httpc.c:981] Post Data Return Fail.-4364 [01-01 00:00:33 ty E][tuya_svc_devos_activate_token.c:61] gw_active err:-4364
May I ask what is the reason for the error in the log when reporting DP: ty El[tuya svc mqtt client.c:410] can't find free mqmde?
Sweeping robot or IPC error [tuya_ring_buffer.c:883] magic_number error: 0
What is the mbedtls version of the sweeper SDK TuyaOS 3.6.2 version?
Develop a sweeping robot with IPC function. The device end reports an error "ability auth verify failed" and cannot pull the stream.