
AK28 HD/HD+ User Manual V1.1
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8 After-sale Service
8.1 To-be-repair Procedure
If you meet any difficulties using SIYI Technology’s product, please send your email
to
or consult your sales manager directly.
If it was a confirmed product defect or damage which requires returning or
replacement or repairing, SIYI engineers will guide you for the process.
8.2 After-sale Policy
SIYI Technology guarantees that, subject to the following conditions, Return &
Refund Service, Replacement Service and Warranty Repair Service can be
requested. Please contact SIYI directly (
or your authorized SIYI dealer for more detail.
8.2.1 7-Day Return & Refund
You can request Return & Refund Service:
Within seven (7) days of receiving a product if the product has no manufacturing
defect, has not been activated and is still in new or like-new condition.