galaxy a 50 problems after update

[jaga1223]

Some problems I faced during using this phone

1.finger print sensor respond is so late

2.call clarity 

3.speaker sound quality is so poor

4.signal receiving is poor

5.pls update the mic

6.pls update the camera features

7 heat issues

These problems are faced after I update latest security fatch march

[velu1407]

.finger print sensor respond is so late