I have M51 and and it is hdr certified but till date only supports for you tube please give it full support 

I brought Samsung galaxy M51 last month and my phone still running on Android patch 1st Augast

Hi samsung i just brought galaxy M51 when the phone is deliverd there was no problem of yellow tint but after one update of August security patch i am facing yellow tint while watching videos or on fonts fix this issue in next update 

It's running on August's security patch update