The SM-R720 is the Bluetooth-only (non-3G) variant of the Gear S2. Understanding its hardware is critical for selecting the correct firmware "repack" to avoid bricking the device.
Released in 2015, the Samsung Gear S2 was a revolutionary device. It broke away from the “mini-phone on your wrist” design and introduced the rotating bezel—a feature now considered the gold standard for smartwatch navigation. However, as of 2024-2025, official OTA (Over-The-Air) updates for the SM-R720 have ceased.
Introduced a design refresh for icons and widgets, improved Samsung Health integration , and added a Gear VR controller.
"repack" firmware usually refers to stock firmware files that have been compressed or organized specifically for use with flashing tools like or Odin (via Wi-Fi) to recover or update the device manually. Key features of the official firmware updates for this model include:
Official firmware for the SM-R720 is not hosted on a public portal but can be retrieved using third-party scraping tools.
Before beginning, you must gather the necessary software on a Windows PC. Firmware Files : Search for " SM-R720 Gear S2 Firmware" on sites like Repack/Stock Files : Ensure you have the (Bootloader), (System), and (Region/Carrier) files. Flashing Tool : Download (often version 3.0 or similar) or a patched version of Samsung USB Drivers : Install the latest Samsung USB Drivers to ensure your PC recognizes the watch. 2. Preparing the To flash the firmware, the watch must be in Download Mode Hold the Power button until the "Rebooting..." screen appears. Press the Power button twice quickly to enter the selection menu.