Berlin (dpa) — People say a lot of things about smartphones. Some are true, some are nonsense, and the truth often lies in between. We examine 10 of the most enduring smartphone beliefs to establish the facts. Myth 1: It’s better not to install updates as they make the smartphone slower. False. Smartphone tester Steffen Herget advises smartphone users to install updates regularly because they not only bring new features, but also close security gaps. Even if, in rare cases, old devices are overwhelmed by updates and become slower, there is no alternative to updating for security reasons. Myth …