1. No heating issue
2. No battery drain issue
3. Sometimes facing lag for using outdated apps.
4. Picture sharpness & quality is too good.
5. Bubbles feature is amazing.
6. One feature is irritating that volume toggle.. Left handed users can use this feature easily... Samsung should give volume toggle side changing permission..
N:B - Before updating phone you should clean your wipe cache partition.
How to clean you Cache partition.
Power button + volume up button + bixby button at the same time.
After opening your phone release the power button.
After clean your wipe cache partition restart your phone.