What IP class means

Dust & waterproof smartphones and their pitfalls

Waterproof cell phones are great for pool selfies, but they have their limits. We reveal when the warranty expires.(Bild: stock.adobe.com)

Smartphones are our most important technological companions today and are not only a communication tool, but also full of valuable memories. To better protect them, more and more cell phones are equipped with dust and waterproof housings. But there are big differences - and no-gos that you should avoid as far as possible, even with a waterproof device. Krone+ reveals which ones.

IP56, IP67 or even IP68? Many smartphones today are classified according to an IP protection standard (International Protection or Ingress Protection) to determine the degree of protection against water and dust. These IP protection classes consist of two digits and were developed for electrical and electronic devices. We show you how to interpret them.