Last year, an incident occurred where the Galaxy Ring's battery expanded and got stuck on someone's finger, and Samsung announced the results of their investigation.
"Cracks developed in the internal battery molding structure of Daniel's Galaxy Ring causing it to swell. However, the exact cause of the cracks could not be determined.
After three months of investigation, there is no significant risk to the battery safety of the entire Galaxy Ring product line."
- Samsung Official Statement
"Customer safety is our top priority. Samsung maintained regular contact with Daniel throughout our investigation.
As a result of Samsung's investigation and additional analysis by an independent external organization, Daniel's Galaxy Ring swelling was caused by cracks in the internal molding,
and it has been confirmed that there is no product battery safety risk.
The Galaxy Ring was designed for everyday wear, and durability is key."
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Please note that firmware related to battery consumption is currently being distributed
Source: Samsung offers update on the Galaxy Ring's battery swelling issue - SamMobile
▶ Original Source: https://www.sammobile.com/news/samsung-galaxy-ring-battery-swelling-issue-update/