To get your Zidoo , Z10 Pro, Z1000 Pro or UHD3000 Play Protect certified, follow these steps:
– open Google Play Store, then close it – this generates the GSF ID (Google Services Framework Android ID) for your device
– goto Quick Settings/Other/About and take a note of the GSF ID
– open https://www.google.com/android/uncertified in any web browser on any platform
– log in with your Google Account
– enter the GSF ID
– solve the reCAPTCHA
– tap <Register>
– restart your device
– wait a few minutes
– open Google Play Store and login with your Google Account
– Google Play / Settings / About / Play Protect certificate still shows “Device is not certified” but it works