Problem: Galaxy Note 9 is no longer Play Protect Certified after last February update.
One UI: 2.5
Android security patch: 1 February 2021
No changes to bootloader/root etc.
Last update 4 March 2021
Apps that no longer show as ‘installed’ as they have updates and state:
“This app is no longer compatible with your device. Contact the developers for more info.”
Disney+ (no longer usable as requires update), Netflix
In Google Play Store settings it shows:
Play Protect certification - Device is not certified
Device GSF ID is registered on Google’s Device Registration page. Tried deleting data and cache for google play store and google play services. No luck.