Samsung SM-J320P User Guide - Page 340

Format a microSD Card Formatting a microSD card permanently removes all files stored on the card. 1. From home, tap Apps > Settings > Storage. 2. Scroll down the screen, tap Format SD card > Format SD card > Delete all. Note: Formatting erases all the data on an installed microSD card, after which the files CANNOT be retrieved. To prevent the loss of important data, please check the contents before you format the card. Unmount a microSD Card When you need to remove an optional installed microSD card, you must unmount the card first to prevent corrupting the data stored on it or damaging the card. 1. From home, tap Apps > Settings > Storage. 2. Tap Unmount SD card. 3. Remove the microSD card. See Remove a microSD Card. Date and Time Settings Use the Date and Time settings menu either to automatically use the network-provided date and time or manually set these values, as well as select time and date format options. Date and Time Overview The following Date and time options may be configured: Date and Time Option Description Automatic date and time Set the date and time automatically using the connected wireless network. Automatic time zone Set the time zone automatically using the connected wireless network. Set date Set the date manually (only available when Automatic date and time option is disabled). Set time Set the time manually (only available when Automatic date and time option is disabled). Select time zone Set the time zone manually (only when Automatic time zone is disabled). Use 24-hour format Enable or disable 24-hour time format. Settings 330