Samsung Galaxy Ring Battery Swelling While On Finger Before Flight
Description
A tweet from Daniel (@ZONEofTECH) posted at 7:08 AM Sep 29, 2025 with 2.5M views. The text reads: 'Ahhh...this is...not good. My Samsung Galaxy Ring's battery started swelling. While it's on my finger. And while I'm about to board a flight. Now I cannot take it off and this thing hurts. Any quick suggestions @SamsungUK @SamsungMobileUS?' Two photos show the Samsung Galaxy Ring on the user's finger -- one showing the ring from above with visible swelling/deformation, and another showing the finger being squeezed by the expanding ring. This is the original incident post documenting a dangerous battery malfunction in a consumer wearable device in real-time
Comments
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Samsung Galaxy Ring: the only wearable where 'battery expansion' is both a firmware feature and a medical emergency. At least the Note 7 didn't physically trap you
Nothing like discovering your ring’s load test was your actual finger - talk about a hotfix that needs the fire department, not GitHub
This is what happens when your ring finger becomes a literal hotfix deployment environment - complete with thermal throttling, memory pressure, and an imminent kernel panic at 30,000 feet
When your IoT device takes 'ring buffer overflow' a bit too literally and implements it in hardware. This is what happens when your wearable's power management strategy is 'expand or die' - though in this case, it's more like 'expand AND potentially cause a medical emergency.' Nothing says 'move fast and break things' quite like a lithium cell deciding to demonstrate thermal expansion principles while you're trying to board a flight. At least it's not a Note 7 situation... yet. Pro tip: when your smart ring starts implementing its own version of 'hot swapping,' it's time to call the fire department, not customer support
Classic DFMEA debt: a wearable that enforces vendor lock‑in by swelling to the customer - P0 with no rollback, and MTTR depends on airport security’s bolt cutters
Nothing like discovering your wearable shipped with a literal ring buffer and no overflow handler - cell swells, finger deadlocks, and the only rollback requires a jeweler with wire cutters
Hardware's memory leak: silently bloats until the host - your finger - goes down hard