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Immediately stop using it and check if it exceeds the 3kg weight limit. After confirming the quality issue, contact after-sales service for a free replacement and an assessment to optimize the design for your usage scenario.
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Submit photos of the damage and your order number within 24 hours. The claims process will be initiated within 48 hours. You can choose a free replacement or a refund, and we will simultaneously optimize the packaging solution.
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Check if your device's NFC function is enabled and the contact area. If it still cannot be read, contact after-sales service for remote diagnosis of the chip status. If necessary, we will provide a free replacement and firmware upgrade.
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For minor wear, wipe with warm water to restore it. For severe wear, contact after-sales service for free repair or replacement based on depreciation over time. We recommend using a dedicated care kit regularly.
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Check for nozzle blockage, water source cleanliness, and power supply stability. Contact after-sales service for remote diagnosis of operating data. If necessary, we will arrange on-site debugging and optimize the nozzle layout.
