The company «Samsung» increased the intensity of competition between technology companies, especially the big ones, to put smart folding devices with advanced features, after the launch of the phone «Galaxy Fuld» last year, and then withdraw it from the market after the appearance of defects in it, especially those related to the screen, but The South Korean company came back and offered an alternative device for "Galaxy Fold", which is "Galaxy Z Flip", which I considered more durable. For its part, other companies launched smart folding devices, after it revealed interesting files of invention. Here are the seven most prominent smart devices with foldable screens:

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