Warning: Before proceeding, please be aware that modifying or flashing custom firmware on your Samsung Gear S2 can potentially brick your device or cause other issues. Proceed with caution and at your own risk. Required Tools and Files:
Samsung Gear S2 (SM-R720) Computer with Windows operating system Odin3 ( flashing tool) SM-R720 firmware (e.g., SMR720) Repackaged firmware (optional)
Step-by-Step Guide: Preparation:
Backup your data: Before flashing a new firmware, make sure to backup your important data, such as fitness tracking data, notifications, and any other relevant information. Charge your device: Ensure your Gear S2 has a sufficient battery charge (at least 50%) to prevent any interruptions during the flashing process. samsung gear s2 smr720 firmware download repack
Downloading the Firmware:
Check for updates: Visit the Samsung support website or the Gear S2's software update menu to see if there are any available updates. Download the firmware: If an update is available, download the SMR720 firmware package (e.g., SM-R720_xxxxx.zip ) from the Samsung support website.
Repackaging the Firmware (Optional): If you want to create a repackaged firmware, you'll need to: Warning: Before proceeding, please be aware that modifying
Extract the firmware: Unzip the downloaded firmware package using a tool like 7-Zip. Modify the firmware (optional): If you want to customize the firmware, now is the time to do so. Be cautious when making changes, as this can affect the stability of your device. Repack the firmware: Use a tool like Odin3 or Heimdall to repack the modified firmware files into a single .zip file.
Flashing the Firmware:
Download Odin3: Get the latest version of Odin3 from a reputable source. Connect your Gear S2: Connect your Gear S2 to your computer using a USB cable. Put your Gear S2 in Download Mode: Press and hold the Power button until your device turns off. Then, immediately press and hold the Power button + the Volume down button simultaneously for 3-5 seconds. Open Odin3: Launch Odin3 on your computer and select the COM port assigned to your Gear S2. Select the firmware: Choose the firmware package ( .zip file) you downloaded or repackaged earlier. Start the flashing process: Click the "Start" button to begin the flashing process. Wait patiently for the process to complete. Charge your device: Ensure your Gear S2 has
Post-Flashing Steps:
Restart your Gear S2: Once the flashing process is complete, your Gear S2 will automatically restart. Setup your device: Follow the on-screen instructions to complete the setup process.