I am getting a light effect on direct light is this normal on s10 plus This type of effct

Samsung really doing work, after every update galaxy buds are improving. Sound quality improved and also major improvement in battary life but, call quality is terrible. Just work on that and galaxy buds will become best true wireless ear buds.

My s10 pus battery charge really slowly while using the phone. Is that normal? 

In the test hardware section "battery left " section it is showing "bad" . i am using s7 edge want should i do? even my battery is not giving a good battery life .