Less than a few weeks ago, Samsung pushed an OTA update for its Gear S3 Classic and Frontier smartwatches addressing battery charging issues and adding overall stability to the Tizen software. It seems that the company is looking to patch the Gear Sport watch as well. According to the changelog, the only updates the Tizen 3.0.0.2 firmware R600AXXU1ARG1/R600OXA1ARG1 offers are improved battery charging algorithm and stability and security fixes. The security fixes are self-explanatory, while the battery charging algorithm means that users still having trouble charging the watch...
Source: https://www.gsmarena.com/samsung_gear_sport_gets_important_battery_update-news-32737.php
