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Samsung

Guides for Samsung Galaxy A03 Core

532 guides

Calls & Messages2

Add an Account to Calendar

If your appointments, birthdays or tasks from Google or Exchange are missing in the Calendar app, the account simply has not been linked yet. Samsung Calendar only shows data that is stored on your phone or connected through a synced account, so an unlinked account leaves whole calendars empty.

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Display & Home Screen2

Schedule Dark Mode

If Dark Mode stays on well past sunrise or never switches off before you go to bed, the automatic schedule on your Samsung phone probably is not set up yet. Samsung lets you tie Dark Mode to sunset and sunrise or to a fixed time you choose, but this option sits switched off by default, so most people end up toggling the display mode by hand every day.

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Network & Connectivity2

Turn USB Tethering On or Off

If your laptop or PC does not pick up an internet connection after you plug in your Samsung phone, USB tethering is probably still switched off. This feature routes your mobile data through the USB cable instead of Wi-Fi, which helps when public Wi-Fi is blocked, slow, or unavailable. Without the toggle enabled, the computer detects the cable but never actually goes online.

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Notifications & Focus

Change Notification Vibration Pattern

If every app buzzes your phone the same way, you cannot tell a message from a calendar reminder without checking the screen. Samsung phones let you pick a distinct vibration pattern just for notifications, separate from the one used for calls. A few built-in patterns are available, but the option is easy to miss since it sits away from the main sound settings.

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Photo, Video & Media2

Group Albums into Folders

When your Gallery fills up with dozens of separate albums, finding a specific event takes longer every time you open the app. Samsung lets you nest related albums inside one main album, so yearly or category folders stay bundled instead of cluttering the overview. This grouping option is easy to miss because it works through drag-and-drop instead of a settings menu.

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Other2

Change Font Style

If every menu, notification, and app on your Galaxy phone still shows the same default typeface, the system font hasn't been changed yet. Samsung ships built-in alternatives like 'SamsungOne' and 'Gothic Bold', and the Galaxy Store offers more fonts to download or buy. Until you adjust this setting in Display, the interface keeps the factory look everywhere.

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Photo, Video & Media2

Create a Custom Photo Album

New photos and videos land automatically in fixed albums like Camera or Downloads, depending on which app saved them. If you want to keep certain pictures together instead - for a trip, a project, or a specific person - the built-in sorting will not do that for you. Gallery lets you set up a separate album and move or copy pictures into it manually.

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Storage & Backup2

Unmount SD Card Safely

Pulling the memory card out of your Samsung phone while it is still active can corrupt files or wipe data that has not finished syncing. The system needs to release the card first, otherwise apps that store data on it may crash or lose access. A software glitch on the phone can also block the card from unmounting cleanly, leaving you unsure if removal is safe.

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Calls & Messages2

Answer Calls Automatically

When your Samsung phone is paired with a Bluetooth headset, car kit, or hands-free device, incoming calls should connect the instant you accept them through the accessory. If Answer automatically stays off, you still have to tap the screen manually, which is awkward while driving or wearing a wired headset. The same setting also controls how many seconds pass before the call picks up on its own.

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Calls & Messages2

Show or Hide Frequently Contacted

If your Contacts app keeps showing a Frequently contacted section above your saved contacts, Samsung is tracking who you called or messaged most in the last 30 days. That list updates on its own and can expose contacts you would rather not have visible at a glance. The setting behind it sits in the Contacts app itself, not in your general phone settings.

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Photo, Video & Media2

Rename an Album in Gallery

When you try to give a photo album a clearer name on your Samsung phone, the option sometimes seems to be missing. This usually happens because system albums like Camera or Downloads cannot be renamed at all. Albums you created yourself or that come from an app can be renamed without any restriction.

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Notifications & Focus

Set Action Time for Pop-up Notifications

If a pop-up notification or app banner disappears before you can read it or tap a button, the timeout is set too short for your reaction speed. On Samsung phones this delay is controlled by an accessibility setting, not by the notification app itself. A short timeout also affects pop-up windows that need a quick response, like permission prompts.

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Other2

Turn Custom Watermark On or Off

Photos taken with your Samsung camera carry no signature or text, even though a custom watermark would help identify your shots. The built-in watermark stamps text into the lower left corner of every photo, but its position is fixed and the small camera icon next to it can't be removed. That limits how much you can customize the look before it gets applied.

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Display & Home Screen2

Turn Samsung Free On or Off on the Home Screen

If the Samsung Free page with news and instant games keeps popping up when you swipe left on your home screen, you probably want to switch it off. Some users lose this page after a system update and want it back instead. The toggle for this panel sits away from the usual display settings, which is why it is easy to miss.

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Display & Home Screen2

Home Screen Landscape Mode

Turning your Samsung phone sideways usually rotates apps, but the home screen itself often stays locked in portrait. That happens because the general 'Rotate to landscape mode' toggle only affects certain screens, not the home screen grid. A separate setting controls whether your app icons and widgets actually follow the rotation.

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Notifications & Focus2

Set Up Focus Mode

If your phone keeps buzzing with app notifications while you are trying to work or unwind, the culprit is usually that every app has free access to your screen. Focus mode on Samsung phones can shut off everything except the apps you actually need for a set stretch of time. Without setting it up properly, you either lock too much or nothing at all, which makes the feature feel useless.

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Language & Input2

Change Keyboard Theme

The Samsung keyboard ships with a light design that can feel too bright when you type at night or in low light. Switching to a dark design keeps the letters legible without lighting up the whole screen. An adaptive theme goes further and matches the keyboard color to whatever app you have open.

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Other2

Turn Color Inversion On or Off

If your screen suddenly shows white as black and every colour looks swapped, Color inversion is active on your Samsung phone. It flips the whole display, including photos and videos, which makes reading and using apps confusing until you switch it back.

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Notifications & Focus

System Sound Theme Setup

If touch sounds, charging tones, and keyboard clicks all feel mismatched or outdated on your Samsung phone, the active sound theme is usually the cause. Samsung bundles these small system sounds into a single theme instead of letting you edit each one separately. Switching the theme changes all of them at once, which can surprise you if you only wanted to fix one sound.

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Photo, Video & Media

Show or Hide Status and Navigation Bars on Screenshots

Every screenshot on your Samsung phone captures the status bar and navigation bar by default, so battery icons, the clock, and nav buttons end up in the shot. This happens because the screenshot tool grabs the full screen including both bars. Turning that behavior off gives you clean, edge-to-edge captures without extra cropping afterward.

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Other

Space Bar Hold Action

If holding down the space bar on your Samsung keyboard triggers cursor control when you actually wanted voice input, or does nothing at all, the touch-and-hold behavior is set to an option that does not match how you type. Samsung Keyboard lets you assign a specific action to a long press of the space bar. Picking the wrong one makes text editing slower instead of faster.

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Notifications & Focus2

Change Call Vibration Pattern

If every incoming call feels like the same long buzz, your Samsung phone is still set to the standard call vibration. One UI actually ships with several distinct patterns, including a heartbeat, a knocking rhythm and a waltz-style pulse, but most people never notice the option exists. Picking a different pattern helps you tell calls apart from notifications by feel alone, without looking at the screen.

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Apps & Installation2

Schedule Update Installation

Not every firmware update on your Samsung phone has to go in right away. Installing it in the middle of the day means the restart interrupts whatever you're doing. Samsung lets you pick a time within the next 24 hours so the install and restart happen automatically when you're not using the phone.

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Calls & Messages2

Clear Call Log

Every incoming, outgoing, missed and rejected call stays listed in the Samsung Phone app until you remove it yourself. Old numbers, call times, durations and even the SIM card used pile up over weeks, which can be a privacy issue if someone else picks up your phone. There is no automatic cleanup, so the log only grows unless you clear it manually.

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