Find the healthy mobile phone in the device used by the child, select the child to use, set the password of the healthy mobile phone, then enter, and then select the parent assistant to enter the QR code interface.
(If you don't log in to Huawei account, follow the prompts to log in to your child's Huawei account. If your child is under the age of 14, you cannot apply for a Huawei account. Parents can go to Settings > Huawei Account > Family * * * Enjoy > Add Family Members > Create Child Account).
Download and install the parent assistant in the parent device.