Assalamu Alaikum
samsung galaxy a21s, 4-64 is a very good phone. There are no problems with the phone. Brought from abroad. Still like new. You will definitely like it when you see it in person. I have been using it for close to two years. Whoever takes the phone can come and use it as much as they want before taking it. Once you come and use it, you will understand, I won't say anything more in detail.