If you experience difficulty watching Philo Edu on your Android device, oftentimes the following suggestions resolve the issue:
Clear the cache and app data (Settings > Apps > Philo Edu > Storage)
Delete and redownload the Philo Edu app
If that doesn't do the trick, please submit a support request explaining the issue and include the following:
IP address (Settings > About phone > Status > IP Address)
Philo Edu app version (Philo Edu > Settings, the top, right icon > About > App Version)
Is your device rooted?