Same problem brotherI got white line on my s21 fe phone because of one small scratch on frame they declined free replacement and asking me to pay 10kMy family also Luke's samsung using only samsung phonesI don't know why they are doing this to loyal ...

Same thing happened to me also bro they said their is one small dent or scratch on frame so your phone not eligible for free replacement  

I'm getting only 3hrs or 4hrs atmost battery backup even after updating one ui 6.0