After-sales service:

1. What is the quality of your lock?

There are strict quality control during the production process, and multiple strict quality tests will be carried out before delivering.

2. What are the most common after-sales problems?

Guub locks, the most common problems are forgotten passwords, no power (or low battery).

3.Will it be weak and easily broken?

The cover is made of ABS plastic, which has better toughness and hardness than ordinary plastics. In addition, our core accessories are all made of zinc alloy.

4.How do you deal with quality problem?

First of all, you can first contact our sales staff, take photos or send some small videos to us to confirm the cause of the problem, which can basically be dealt with online.

There are two main reasons:

If the battery power is low, the password lock will not be opened. Replace it with a new battery.

If forget the password, pls provide the serial no.to the vendor to apply for the master code.

In short, if there is a problem, you can contact us in time, we will provide you with services at any time.

5. How long is the warranty period?

Guub lock is an electronic product, and the warranty period is two year. If there is a quality problem within two year, pls send it back to us for free repair. If it cannot be repaired, guub will replace new products for free.

If it exceeds the warranty period, send it back to us. Guub will charge the cost of the component for repair.