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If there is a problem with the App or you have any suggestions, how can you contact customer service?

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Written by KnowKnow Team

If you encounter any issues such as system crashes or failed recognition, you can report them through the "Feedback" function within the App or send a private message to the official

Facebook/Instagram. In addition, you are also welcome to click the online customer service button on the official website, or send an email to the official customer service mailbox [email protected]. We will handle your matter as soon as we receive your message.

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