Display

[MonicaBaral]

How is the display quality of M40? Is it better than that of A80?

[AmitkumarIT]

Yes. in the compression of A series of phone between Screens, m40 is much better but one draw back is that it is a budget phone and not supported premium features.
although A series of phones supported samsung premium features

[AmitkumarIT]

And yes, A series of phone Get Security patch update regularly basis not quarterly

[sachin_sharma01]

Samsung Galaxy M40ships with a 6.3-inch Infinity O display with a punch hole notch. The display boasts an FHD+ resolutionand is backed by IPS LCD technology, which is a step down from its predecessors Super AMOLED panel. Yes

[honeymishra]

Yes it is way more better than A80.. go for it 

[honeymishra]

Yes it is way better