I've set up parental controls to block certain content as recommended. I've added the specified keywords to the "blocked content" section within the policy I created and also assigned it to the mobile device. However, while browsing the internet on that device, I've noticed that the blocked content is still accessible. It seems that the parental control feature with blocked content isn't functioning on my device. I'd appreciate some assistance with this issue. I've tried searching online for solutions but haven't found anything helpful.