Hello, this question shows that you have realized that the danger exists, and we suggest that you hurry up to get a new product of good quality.
Keeping away from high-voltage and dangerous electronic products is the best protection for your safety.
Suggestion:
When the M7 has been rolling hot, it is not recommended to touch it directly with your hands to prevent burns
Please turn off the power source first and wait until the M7 cools down before handling it
Buying good-quality electronic products is a kind of life-assurance for you, and you should not take a chance