M51 After security update always on display .starts to ficker ..if it's off not flickering .plz fix the bugs

My friend using samsung a50 for 4 years his phone battery getting drained quickly the battery is looking good physically and diagnosed in samsung service center still no changes is there any solution to sort out this issue .

After latest software update july 2023My m51 phone display is flickering and yellowish tone on display color turns black to greyishAlso in low brightness displays gets fadedMany of m51 users facing issue .Samsung do know the value of customers . 1...

After security patch update on july ..m51 it's eye comfort shield is issue .can't able to view in display. Even though I can't off the eye comfort shield as it's fixed. I am unable to do

GALAXY M51 After the (JANUARY security patch update 2023)2 days ago the screen has black crush and when lowering the brightness 15 to 30% screen becomes green shade.And sometimes it's normal ...please fix it ..by next updateit's irritating to eyes...