About S721BXXS3AXL1_U3_KNOX_OFF_ROM.zip

Download S721BXXS3AXL1_U3_KNOX_OFF_ROM.zip stock firmware and flash file for repair, unbrick, and restoring the original software.

What is included

• Firmware / flash package for the matching device
• Use with a compatible flashing tool after you verify the model

Before you flash

Back up data, confirm the model number, and keep the battery charged. Flashing can wipe the device.