I can't share

Even subscribing, I cannot share my devices.
Does not display the option to add user to share.
Using version 5.1.0

Go to device options in ewelink app…

Select your device, then click the three dots in the right corner of the app. The device panel will appear.

Click on “Share”. Device sharing / Settings will appear.

If you have already added an account, you will see it on the list and after clicking on it, you can edit several parameters.

If you do not have any account, click “Next”. Two options appear “Share via WhatsApp” and “Share with eWeLink user”, select as needed and follow the steps appearing on the screen.

(Make sure your account is actually “Advanced plan”.)