computers and pads run on networks. Infected files over the network. Safe mode let's you operate still with no harm to your phone. limited functions.
Safe mode boots your phone running only the apps that came with the phone – that means no third-party apps. Therefore, if your phone runs without an issue when you’re in safe mode, it’s a pretty good bet that the problem isn’t system related, and instead a third party app you downloaded. Rebooting will take the phone out of Safe Mode and boot normally.