![How to clean your smartphone safely - BBC News 1 How to clean your smartphone safely - BBC News](https://i.ytimg.com/vi/XwPVqXrJitI/hqdefault.jpg)
While you may want to clean your smartphone, some substances can damage the device.
Dr Lena Ciric, a microbiologist from University College London, says you can effectively clean your phone using just household soap and water.
Video journalist: Chris Fox
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