https://samsungdigitalservicecenter.com/bookappointmentVisit this site Enter your pincode

It's Good SmartphonesBecause A16 have Super Amoled display with IP54 Water Resistant and 25w SuperFast Charing and AttractiveColor.

I understandbut it's Samsung Policy.You can visit Nearest Service Center they find what the issue in your phone. If spare parts availability as per Service Center.If Spareparts available they will give you same day.

If Your phone was not any damage it's Cover under warranty.

After 14days Service Center Also Give Service but It's Repairable. Kindly Shot Video of issue than show ServiceCenter Engineers they give best Service.