Galaxy Watch owners report burn-like marks under sensors

Several Samsung Galaxy Watch users have posted photos of circular red marks and blisters on their wrists directly beneath the sensor array. Some affected watches also drained their batteries overnight, pointing to rogue background processing and localized overheating. Samsung typically attributes such rashes to strap tightness or hygiene.

• Users shared photos of circular red marks under Galaxy Watch sensors
• Affected watches reportedly drained their batteries overnight
• Some cases showed fluid-filled blisters resembling thermal burns
• Samsung has previously blamed strap tightness and hygiene for rashes