S25 ULTRA 512 GB version The device is new, the box was opened and used minimally. I accept exchange for S26 ultra 256 GB version. Both devices are currently the same price due to the difference in GB, but I only want the latest ( For exchange only, not for sale. For exchange only, not for sale. For exchange only, not for sale. Exchange only with S26 ULTRA and I will pay the difference. Exchange only with S26 ULTRA and I will pay the difference. Exchange only with S26 ULTRA and I will pay the difference. Exchange only with S26 ULTRA and I will pay the difference. Exchange only with S26 ULTRA and I will pay the difference.