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Q&A
Last Updated on：2026-01-16 06:04:22
Pairing and Binding
- NVR product network configuration activation failed. The log shows that the network connection was successful, but activation failed on the cloud. Error log: "errorCode":"PRODUCT_OTA_CHANNEL_CONFIG"
- Does the NVR product have an interface to report the signal strength of sub-devices?
- How does TuyaOS report the device MAC address?
- Does the SDK package of version 6.X.X distinguish between wired and wireless or whether it supports Bluetooth provisioning?
- How to reset the device with SDK 6.x.x to make it re-enter the network configuration state?
- How does the SDK version 6.x.x report the Wi-Fi list during network configuration?
- Which version of the 6.x.x SDK supports RED?
- In SDK 6.x.x, through which interface does the device report Wi-Fi signal strength?
- What is the fault code for the device restart reason in SDK 6.x.x?
- In SDK version 6.x.x, through which interface does the device report the reason for the reboot?
- What is the error gw_active err:-4352?
- When adapting the SDK of IPC 6.x.x version for AP network configuration, an error occurred: [01-01 00:03:19 ty E][ap_netcfg.c:872] wifi ap_rcv parse fail. ret:fffffff8
- How to determine MTU when the SDK of IPC version 6.x.x is adapted for Bluetooth provisioning?
- When adapting the SDK of IPC 6.x.x version for AP network configuration, an error occurs: [01-01 00:00:03 ty E][tuya_svc_lan.c:221]mbedtls_cipher_auth_encrypt_wrapper:0x2[01-01 00:00:03 ty E][ap_netcfg.c:1112] lpv35_frame_serialize fail:-2
- When adapting the SDK of IPC version 6.x.x for AP network configuration, an error occurs: [01-01 00:00:02 ty E][ap_netcfg.c:321] bind socket fail:-16, port:6668 [01-01 00:00:02 ty E][ap_netcfg.c:769] create server socket err
- IPC 6.X.X version error [11-28 02:18:28 ty E][dcf4][iot_httpc.c:805] errorCode:DEVICE_NOT_EXIST
- IPC 6.X.X version error [01-19 03:14:09 ty E][iot_httpc.c:968] Post Data Return Fail.-4378
- How does the IPC 6.x.x version SDK determine if a device needs network configuration? When can the QR code recognition feature be enabled?
- Can IPC devices simultaneously support wired, wireless, and Bluetooth provisioning?
- 6.X.X Error [01-19 03:14:09 ty E][iot_httpc.c:968] Post Data Return Fail.-4378
- 6.X.X Error [01-01 18:12:24 TUYA E][http inf.c:51] Open session failed: https://h2.iot-dns.com/v2/url config (-7)
- Why is the device reset during the 6.x.x Bluetooth provisioning process?
- Why can the NRF scan the device but the app cannot discover it when adapting Bluetooth provisioning in version 6.x.x?
- How to add extended firmware and report firmware version in IPC SDK version 6.x.x?
- In IPC version 6.X.X, when the device is connected to Wi-Fi but not to the server during network configuration, why is TUYA_IPC_Reset_System_CB called?
- IPC SDK version 6.x.x, QR code network configuration (APP scans device) error [01-09 05:48:55 tyE][tuya_svc_mqtt_client.c:928] host[mqtts://m6.tuyacn.com:8886] mqtt connect resp err:5
- SDK version 6.X.X Bluetooth pairing error: [tuya_ble_data_handler.c:708] ble recv data len err:38533
- Why is the tkl_ble_gap_adv_rsp_data_set broadcast interface not called in the 6.X.X version of the SDK Bluetooth provisioning?
- IPC SDK adaptation for wired network configuration error in version 6.X.X: create server socket err
- In the 6.X.X version of the SDK Bluetooth provisioning, do WRITE_UUID, NOTIFY_UUID, READ_UUID in the Characteristic need to be written by oneself or will they be returned by the SDK?
- How to locally reset the SDK version 6.X.X?
- Could you briefly describe the AP configuration process for version 6.X.X of the SDK?
- How to confirm if the 6.x.x version of the SDK is writing to the DB file?
- How to modify the time for generating backup DB files in version 6.x.x of the SDK?
- Does the 6.x.x version of the SDK support generating backup db files?
- After the SDK version 6.X.X is set up for wired network configuration (APP scans the device), the SDK triggers a reset callback upon running. What is the reason for this?
- The SDK version 6.X.X reports an error 'linkage not ready' during the wired network configuration process, and the related interface is not called. What could be the reason?
- After the image data is transferred from an IP camera to the demo_for_ipc_5.x SDK, the following error is reported: Check_Buffer not enough buffer_size[131200] len[1142] session[65538] channel[1]. Why?
- The following error message is displayed in the log of the device developed based on IPC SDK: P2P_ID_NOT_ENOUGH. What can I do?
- Can I use an API to obtain the IMEI number in the development of IPC based on the 4G protocol?
- The initialization of tuya_ipc_sdk encounters an error, and the message "WIFI_INIT_AUTO is not support" is displayed. Why?
- The following error message is displayed in the log of the device developed based on IPC SDK integration: [Null Err] [ipc_httpc.c:433:httpc_ipc_get_urlcfg_v10] errorCode:SING_VALIDATE_FALED_PERMISSION_DENIED. Why?
- The following error message is displayed in the log of the device developed based on the IPC SDK: [Null Err] [tuya_ipc_p2p.c:2999:__p2p_listen_sessions] listen failed session[-21] did[TUYASA-205341-ENSCM] apilicense[HPBQJR:vlkE30ib]. Why?
- IPC crashes when returning to the foreground from the background with the message "Terminated due to signal 13 ?[0m pipe socket recv eof or error, -57(socket is not connected)"
- How to obtain the network configuration token parameters?
- Why can’t the device read the QR code generated on the mobile app?
- App can't find the specific device hot spot?
- Why can’t the device be activated despite successfully scanning the QR code?
- How can I set the pairing mode and connection mode if the device supports both wired and wireless connections?
- How can I set the pairing mode and connection mode for 4G devices?
- How can I enable dynamic network switching for devices that are both wired and wireless?
- Why can’t the device enter pairing mode?
- How can I set the pairing mode and connection mode if the device supports two modes (wireless and Bluetooth) or three modes (wired, wireless, and Bluetooth)?
- Why can’t the device be paired? During pairing, no more MQTT logs are printed after mqtt topics cnt 1 is output.
Audio and Viideo Ring Buffer
- When the app encounters a failure in decoding the video stream, will it actively request to retrieve an IDR frame (keyframe) to restore the picture?
- What is the audio format for IPC voice intercom sent by the app?
- What are the encoding formats supported by the device-side SDK for audio transmission?
- Can the 6.x.x SDK report only video data without reporting audio data?
- In version 6.x.x of the SDK, when the app opens the panel, there is no display, and the SDK reports an error: no audio or video data count.
- What does ch0st0tr mean?
- When using the application, the video stream occasionally fails to load, showing a spinning loading icon with the message: "No data inside ring buffer. GET starts before PUT? ch0st0tr9"
- The following error message is displayed in the log of IPC SDK: [ipc_httpc.c:433:httpc_ipc_get_urlcfg_v10] errorCode:SING_VALIDATE_FALED_4. Why?
- The following error message is displayed in the log of IPC SDK: [Null Err] [ipc_httpc.c:838:httpc_ipc_cloud_storage_config_get]errorCode:CAMERA_STORAGE_ORDER_NOT_EXISTED. Why?
- The following error message is displayed in the log of the device developed based on IPC SDK 5.X: errorCode:PRODUCT_OTA_CHANNEL_CONFIG. Why?
- May I ask how to reset IPC or robotic vacuum products locally?
- Currently, the tuya_ipc_notify_alarm interface is used for pushing events. Can this interface carry event timestamps?
- How do IPC devices request weather data?
Compilation issues
- Does the device-side SDK internally support AEC?
- What is the usual reason for the SDK error "check_buffer not enough buffer_size"?
- 6.X.X SDK error "the ss mgr not inited, but msq buffed"
- How to disable logging during IPC SDK development?
- How to set the DEBUG log level for IPC SDK?
- Why is the compiled tuyaos_demo_ipc executable so large?
- What can I do if "undefined reference to ...." is displayed when I use a streaming media SDK for compilation?
- What can I do if "tuya_xxx_undefined statement" is displayed during compilation?
Live Preview and Two-Way Talk
Local Storage
Event Alert
- How to report undefined alarm events in the IPC SDK?
- Is there an alarm with a timestamp report for the 6.x.x version of the SDK, as the tuya_ipc_notify_alarm alarm has a delay?
- The following error message is displayed in the log of the device developed based on IPC SDK 5.X: dp num parse invalid 0. What can I do?
- The following error message is displayed in the log of the device developed based on IPC SDK integration: [tuya_ipc_api.c:592] notify EVENT_ADD_SPACE_TIME hasn't reach,should return. Why?
- According to frontend logs, motion detection is triggered on the IPC. However, no notification is pushed on the App. Why?
- The following error message is displayed in the log of the device developed based on IPC SDK integration: [Null Err] [mqc_app.c:196:__mqc_obj_handle_echo_show_req] echo show callback is not registered. Why?
- The following error message is displayed in the log of the device developed based on IPC SDK integration: [Null Err] [ipc_httpc.c:433:httpc_ipc_get_urlcfg_v10]errorCode:SING_VALIDATE_FALED_PERMISSION_DENIED. Why?
- Why is the tuya_adapter_wifi_station_connect function not called during the IPC SDK 5.X development?
- Does the IPC device support device-side hang-up when the doorbell is called?
- IPC 6.X SDK, compatible with Bluetooth network configuration. When adding Bluetooth on my end, can I split the received data packet and then call back to the SDK? For example, if I receive a 84-byte packet, can I split it into two packets, one with 64 bytes and the other with 20 bytes, and then pass them to the SDK through a callback?
- How to set local recording time in unconfigured network status?
Keep-Alive and Wake-UP in Low Power
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