I'm using Samsung galaxy A54 5g from 2023. But today when I was checking the box I felt like they scam me and it's opened before.How could I know the first activation date of my phone?

I've been facing this problem from one UI 7.1The lock screen features doesn't work properly. Like in this type the time will compress it's shape on basis of the picture format! How to solve this problem?

My father's Galaxy A15 suddenly stopped getting Fast Charging. After connecting with the charger it takes a lot longer than usual. I've checked the charger, checked the cables and also cleaned the charging port. I've try to charge it with my A54 char...