How did you get that??

Camera quality has been improved but video quality has been reduced I think.As for performance samsung is reducing it on purpose. I noticed note 10 with same processor has bigger system fine even though the have almost same features. Samsung is not w...

No problem it's normal.

Nope as they are features on full one ui, while m51 has one ui core (or if samsung changes their mind)

October. The phone is on quarterly updates list.