Prepare the details
- Product model and serial number.
- Purchase channel and country or region.
- The symptom, exact displayed message and any recent maintenance.
- Existing photos or records, if available.
Do not reproduce a dangerous fault to obtain a recording.
Contact technical support
Send the available details to wang@calink.link. If a detail is missing, explain what you know.
Email technical supportConfirm the next step before shipping
Ask for the applicable service route, shipping instructions and any terms or costs before sending equipment. This page does not create a repair booking or confirm warranty coverage.
Find applicable after-sales information