Samsung SM-G386TZKATMB - Manual (Page 284)

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To update your device:
1. From the Home screen, tap Apps g Settings g About device
g Software update.
2. Read the Software update information screen.
3. Select an available option:
Note: You configure the device’s software update parameters.
● Cancel: Tap this option to cancel the operation.
● Wi-Fi settings: Enable this option to only download available updates via an active
Wi‑Fi connection. If disabled, the device will begin available downloads via its’
cellular connection.
● OK: Tap this option to connect to the remote server, detect if there is an available
update, the begin the download over your existing data connection.
— Software updates can include bug fixes, enhancements to services, to the
device or currently installed software.