Operating systems don’t always work in perfect tandem with the hardware, and given enough time, even smartphones require a bit of maintenance in order to continue and function as intended. This is why smartphone makers recommend users to power-cycle their handsets regularly, and this is also the reason why Samsung has included an “Auto restart” feature on devices running Android 5.1 Lollipop or newer. Enabling this feature is fairly easy, but don’t be surprised if you are unfamiliar with its existence, as the option is “hidden” deep in the phone’s settings menu.
For the past several years Samsung’s mobile devices have received both praise and criticism due to the inclusion of its proprietary TouchWiz user interface, which covers Android OS on most of the company’s smartphones and tablets, including the latest Samsung Galaxy S7 series. Over the years, Samsung continued to refine TouchWiz by trimming down the bloatware and by adding or improving existing features, and with Android 5.1 Lollipop, the Korean company seems to have included the option to manually set a time for when your Samsung device should perform an automatic restart. Restarting a computing device can solve a number of issues with unresponsive services or applications and can free up RAM, and this goes double for smartphones considering the fact that most users don’t power-cycle their devices regularly, whether because they tend to forget or because they don’t know that they should do so. Either way, Samsung comes to the rescue with the convenient “Auto restart” feature, which has been added to the settings menu of every smartphone and tablet running Android 5.1 Lollipop or newer.
To enable the feature, users need to head down to the phone’s “Backup and reset” submenu located within “Settings”, access the “Device management” tab, tap “Auto restart” and set the toggle to “ON”. Although the feature sets the device to perform a scheduled restart each Monday at 3 AM by default, the time and day can be changed at the bottom of the “Auto restart” menu according to the user’s preferences. Evidently, for the sake of convenience, it’s recommended that each user sets Auto restart to perform a scheduled reboot at times of day when the smartphone or tablet is least used.
UPDATE: It seems like some carrier-locked Samsung devices do not offer such an option, some carriers opt to remove it, so keep that in mind.