Samsung Galaxy S21 Ultra September 2024. It's just a regular security update that brings the september 2024 android and one ui security patch to the galaxy s21, s21+, and s21 ultra. I imagine it technically will be for.
Certified renewed means new screen and battery from samsung and 1 year warranty. Additionally, this update incorporates the september 2024 security patch, which en h ances v arious security aspects of the device.