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I'd like to get some detailed information on how to properly turn off the lost angel mate device. I understand that handling it correctly is crucial to ensure it functions well and prolongs its lifespan. If you could provide a step-by-step guide or any specific procedures involved in safely shutting it down, that would be really helpful. Additionally, if there are any common issues or troubleshooting steps related to the shutdown process that I should be aware of, please include those as well. Clarifying these points would give me peace of mind and help prevent any potential damage. Thanks in advance for your assistance!