# Industrial Device Technical Support & Service Canonical source: https://sotengroup.com/support/?lang=en Language: en Publisher: SOTEN GROUP For deployed devices and integration projects, provide the model, serial number, OS/module versions and reproduction steps. Contact FAE for SDK, firmware, diagnostics and repair guidance. ## Prepare a support request Include the model, serial number, OS build, module versions, symptoms, reproduction steps and relevant logs. Remove unrelated personal or confidential information. [FAE@soten.com.cn](mailto:FAE@soten.com.cn) ## SDK, firmware and repair guidance Match SDK and firmware to the exact hardware and software configuration. Contact FAE to confirm access, upgrade and recovery procedures, or repair authorization before sending equipment. [SDK integration](https://sotengroup.com/resource/sdk-en/) · [Firmware preparation](https://sotengroup.com/resource/firmware-en/) · [Diagnostics](https://sotengroup.com/resource/service-en/) · [Repair preparation](https://sotengroup.com/resource/returns-en/) · [Datasheets and guides](https://sotengroup.com/resources/?lang=en)