Beryl AX modem: MT3000 is'nt VPN + Adguard. Pls Help

Dear support
I bought the product "Beryl AX modem: MT3000" My goal is to use VPN + Adguard.

But the product I bought does not have these two functions on the admin page. I checked carefully and my product is for the Chinese market. I'm not familiar with this issue, so how can I install and use the 2 VPN + Adguard features or is there an alternative plugin?

Thanks support

Where did you buy this device and when?

Hi, i bought it in taobao in this weeek ;(

I had fixed switch to Global FW. Many thanks

How did you fix it? Just by installing another firmware?

Yup. I flash new fw. It run Ok.