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Phone Flashlights Melt Through Trash Bags!
25 Apr
Summary
- Phone flashlights can heat up enough to melt black plastic trash bags.
- Samsung, iPhone, and Pixel flashlights all demonstrated melting capabilities.
- Accidental flashlight activation can cause burns and damage.

Smartphone flashlights possess a surprising capacity to generate heat, capable of melting plastic. Recent tests demonstrated that flashlights on devices like the Samsung Galaxy S26 Ultra and the iPhone 17 Pro Max could melt through black trash bags. Although the Samsung device performed this task more rapidly, the iPhone also proved effective, melting holes through durable sections of the bag.
A Google Pixel 10 Pro was also tested, melting smaller holes at a pace between the Samsung and iPhone models. Notably, white trash bags were unaffected, suggesting black plastic's susceptibility due to greater light and heat absorption. This capability presents a safety concern, as prolonged accidental activation, such as a flashlight turning on in a pocket, could potentially cause burns.
Users are advised to take precautions, such as disabling lock screen flashlight shortcuts, and to utilize the adjustable intensity feature available on both iPhones and Android devices. Lowering the flashlight's brightness can significantly reduce heat output and the risk of accidental damage or injury. Awareness of this potential hazard is key to preventing burns and material damage.