Because the SM-R720 lacks a physical USB data port, you cannot use standard Odin software. Instead, you must use , which transfers the firmware files over your home Wi-Fi network. Step 1: Download the Tools Download and extract the following files onto your PC:
Download and install the latest Samsung USB drivers on your Windows PC so your computer can recognize the device in download mode. Samsung Gear S2 Sm-r720 Firmware Download
Go to Settings > About Gear > Device Info on your watch. Confirm the model code is strictly SM-R720 . Installing firmware meant for the SM-R730 or SM-R732 will break your device. Because the SM-R720 lacks a physical USB data
On the left side of Odin, ensure only these boxes are checked: Go to Settings > About Gear > Device Info on your watch
Yes, but with heavy caveats. While stock firmware is the safest, some developers have created stripped-down or pre-rooted Tizen ROMs for the SM-R720. These custom firmware files:
You must find the correct firmware for your region (CSC code) to ensure proper functionality.