These days it’s hard to find a smartphones without a glass front and back. The glass housing is likely the first part of your phone to break, so why do manufacturers use this material instead of plastic?

Since the iPhone 4 it’s become common for smartphones to not only have glass screens but glass on the back as well. It looks good and also has technical advantages when it comes to signal reception and wireless charging. But the glass used has little in common with that used in windows or drinking ware.





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