Below are the issues that my phone encountered (Malaysian Region):
- Notification Drop Down no longer work in apps, or in app subfolder.
- Apps keeps freezing.
- Keyboard issue: ghost typing.
- Occasional freezing even when in Settings
Make it a habit to optimized your device after no longer use. Go to Device Care and click Optimize Now. Make sure it is 100%. And dont forget to let you device restart everyday. Most people dont practice this habit. Electronic devices same as humans too, need to sleep to refresh itself