How Cold Is Too Cold for Your Phone or Smartwatch?

Extreme Cold Can Kill Your Phone and Smartwatch — Here’s How to Protect Them

When the mercury plummets, your smartphone and smartwatch might not be as reliable as you think. Extreme cold can wreak havoc on these devices, causing battery drain, sudden shutdowns, or even permanent damage. Whether you’re braving a winter storm or just stepping out for a quick errand, here’s what you need to know to keep your tech safe and functional.

Why Cold Weather is Bad News for Your Devices

Smartphones and smartwatches rely on lithium-ion batteries, which are highly sensitive to temperature extremes. In freezing conditions, these batteries struggle to discharge electricity efficiently, leading to rapid battery depletion or unexpected shutdowns. If the temperature drops below 4°F (-20°C), your device may power off entirely to prevent damage.

This can be more than just an inconvenience—imagine being stranded in the cold without a working phone to call for help or navigate your way home. That’s why it’s crucial to understand how cold weather affects your devices and take steps to protect them.

Official Advice from Manufacturers

Apple (iPhone and Apple Watch):
Apple warns against exposing your iPhone or Apple Watch to temperatures below 32°F (0°C). Below this threshold, the battery may drain faster, though it will recover once the device warms up. If temperatures drop below 4°F (-20°C), Apple recommends powering off your device entirely.

Additionally, Apple devices may pause charging in extreme temperatures. If you’re using iOS 16 or watchOS 9 or higher, you can check paused charging status in Settings > Battery.

Android Devices (Google Pixel, Samsung Galaxy, etc.):
Android phones and smartwatches face similar challenges. Samsung advises keeping Galaxy devices between 32°F and 95°F (0°C to 35°C) and avoiding use or charging in extreme temperatures. Below a certain point, your device may shut down or pause charging to protect the battery.

Google Pixel phones should be used above 32°F (0°C) and charged at room temperature (around 78°F or 25°C). If your Pixel gets too cold, it may shut down suddenly. Google recommends letting your phone warm up gradually after exposure to extreme cold.

How to Protect Your Devices in Freezing Weather

1. Limit Exposure: If possible, avoid taking your devices outside in freezing temperatures. For quick trips, consider leaving your smartwatch at home and sticking to just your phone.

2. Keep Them Warm: Store your phone in an inner pocket close to your body, where it can benefit from your body heat. A specialized insulated case can also help protect your device from the cold.

3. Avoid Leaving Devices in Cars: Prolonged exposure to cold in a parked car can damage your device’s battery. Always take your phone and smartwatch with you when you leave the vehicle.

4. Use Touchscreen Gloves: If your phone has a fingerprint lock, you might struggle to unlock it with freezing fingers. Touchscreen gloves can help you type in your password while keeping your hands warm.

5. Power Off When Necessary: If you’re planning to be outside for an extended period and don’t need your device, consider turning it off to conserve battery life.

The Bottom Line

Extreme cold is no joke when it comes to your tech. By understanding the risks and taking simple precautions, you can keep your smartphone and smartwatch running smoothly all winter long. Stay warm, stay safe, and keep your devices protected!

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