According to tipster Ice Universe, Samsung has disabled Odin, a proprietary firmware flashing tool typically used to install stock firmware, install custom ROMs, and restore devices. It also appears that Samsung has removed “Download Mode,” which acts as a gateway for Odin. This change appears to have been made in the latest One UI 8.5 firmware and currently affects the Galaxy Z Fold 7 and recently launched Galaxy S26 series.
Fond memories of using Odin to flash my Galaxy S3 back in the day. I thought Knox killed custom firmware on Galaxy, though — with the S4.
You’re thinking of the Verizon s5. That version of Knox still hasn’t been broken