How to solve the tablet computer in Yi Jiao?

Does the subject want to ask "how to solve the tablet of Shanghai No.1 Education"?

1. The tablet computer of Shanghai No.1 Education is in a state where remote control and mobile data (or WLAN) have been turned on.

2. Note that the tablet is bound with an account, and you need to log in to official website-Remote Web page. After the account is logged in, there is a screen unlock option, which can be unlocked by this function. After this operation, the previously set screen lock mode will directly become the default sliding unlock mode.

3. If it is invalid, you forget to back up your PIN password or do not meet the above requirements, please send the machine to the service center, and the after-sales engineer will help you unlock it safely.