User Guide

1. What is the warranty certificate

Warranty certificate is an important document for you to obtain service, so please keep it well. Every time you apply for after-sales service, please take it with you. Warranty card with purchase invoice together are the warranty certificate of the product.

*Note: Our product has lifelong maintenance service.

According to the SUBLUE policy, if you are unable to provide valid and completed certificates, SUBLUE will take the factory date of the product as the starting time of warranty.

2. Description of SN Code Position

How to find the SN code

The serial number (ie SN code) is the only identification of the product. Please provide the SN code when you apply for after-sales service. The lose of SN code will affect your after-sales right, please keep it well.

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