After-Sales Warranty Support
Encountering Problems While Using?
Please follow the instructions below to find the correct support channel and resolve your issues efficiently.
Critical Warranty & Service Policy
Purchasing from unverified sellers instantly voids your warranty. Any resulting financial loss is the buyer's sole responsibility.
The SMSL factory DOES NOT accept direct personal items for repair. All claims must be handled directly by your original seller.

Find Your Designated Support Channel
Certain models are exclusive to specific distributors. Enter your model name below (e.g., AO300, SU9, DS300) to instantly retrieve the correct contact email.
Prepare Your Diagnostic Information
To help engineers pinpoint the problem immediately without round-trip delays, please describe your setup in your email:
SMSLSHOP Direct Contact
If your model is standard and you purchased directly from SMSLSHOP.com, dispatch your details to:
🌙 Emails sent outside these windows will be answered the next business day.
Authorized Distributors Contacts
Can't find your model? Contact your original seller directly using the directory below.