Also thinking about getting this phone 2nd hand, but i opt to choose S23U over S22U, though mas mahal pa ng around 5-10k ngayon yung no issue na S23U compare to no issue na S22U.
I think if ang budget is around 20 - 25k, goods na S22U, pero kung may budget naman na 30 - 35k, i would go for S23U na.