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Samsung

Guides for Samsung Galaxy A31

520 guides

Calls & Messages

Reject an Incoming Call

When a call comes in on a Samsung phone, dragging the icon the wrong way answers it instead of declining it. The red handset works the same way as the green one, just pulled in the opposite direction, and calls that pop up as a small banner while you are using another app need a separate tap instead of a swipe.

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Notifications & Focus2

Use Volume Keys for Media Volume

Pressing the volume keys on a Samsung phone usually changes the ringtone volume, even while a video or song is playing. That happens because Samsung's One UI ties the physical buttons to the ringer channel by default, leaving media playback at whatever level it was last set to. A dedicated toggle changes this behavior so the same keys adjust media volume directly.

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Apps & Installation2

Clear App Data (Reset an App)

If an app keeps glitching, shows outdated information, or you want to sign out completely without uninstalling it, clearing its stored data usually fixes this. This removes login details, cached files, and any saved content like messages or documents, putting the app back to its state right after installation. Clearing app data is different from just clearing the cache and cannot be undone.

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Calls & Messages2

Delete a Single Message from a Conversation

Sometimes only one message in a thread needs to go, not the whole conversation. Deleting the entire chat on a Samsung phone removes messages you might still need, and long-pressing the wrong bubble can select more than intended. It also helps to know that removing a message only clears it from your own device, not from the other person's phone.

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Photo, Video & Media

Hide the Camera Cutout in Full-Screen Apps

When an app stretches its content behind the front camera, the cutout turns into a black block that cuts into photos, videos or game menus. This happens because some full-screen apps do not automatically reserve space for the camera housing. The result is a visible bar sitting on top of your content instead of blending into the status bar.

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Accessibility2

Turn Off TalkBack (Voice Assistant)

If TalkBack is reading every icon aloud instead of opening it, a single tap on your Samsung phone no longer does what you expect. The screen reader changes tap behavior across the whole device, so finding and hitting the right switch to turn it off feels almost impossible with normal gestures. This guide shows the exact tap pattern you need to reach the TalkBack switch and shut it down again.

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Calls & Messages2

Show or Hide Web Previews in Messages

When someone texts you a link, Samsung Messages can automatically pull in a preview showing the page title, a small screenshot and the URL. That preview loads over mobile data every time a link arrives, even if you never tap on it, which can add up on a limited plan. Whether that convenience is worth the data use depends on how often you get linked messages.

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Photo, Video & Media2

Rearrange Camera Modes

Panorama sits at the front while Video is buried three swipes away, and every shot turns into extra scrolling. Samsung phones list Photo and Video as fixed defaults, but modes like Live Focus, Pro or Panorama can be shuffled into any order you actually use. The stock layout rarely matches how most people shoot day to day.

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Network & Connectivity2

Reset Network Settings

If WLAN keeps dropping, Bluetooth won't pair, or mobile data refuses to connect on your Samsung phone, a corrupted network profile is often the cause. Reinstalling drivers or restarting the phone rarely fixes it, since the faulty configuration stays stored in the system. Resetting network settings clears WLAN, Bluetooth and mobile network configs back to factory state, but it also erases every saved WLAN password.

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Security & Privacy2

Add Trusted Places for Smart Lock

Typing your PIN every time you walk through the front door or reach your desk at work gets tiring fast. Smart Lock's Trusted places feature can skip the lock screen at locations you use often, but the unlock zone is based on estimated location rather than an exact address. That's why the phone sometimes stays unlocked a bit outside your home or starts locking again before you're actually inside.

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Notifications & Focus2

Turn On/Off Vibrate When Answered

You accept a call but get no confirmation that the connection actually went through, especially with the phone in your pocket or away from your ear. On Samsung phones, a short vibration when you answer closes that gap, but it runs on a separate setting from your normal ringtone vibration. Many users only notice it is off after a settings reset or a new device setup.

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Calls & Messages2

Edit a Contact Group

A contact group on your Samsung phone rarely stays useful forever. Team members change, a birthday club grows, and the group ringtone you picked months ago no longer matches the rest of your alerts. Renaming the group, swapping members, or changing its sound is not obvious if you have never opened the group settings before.

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Network & Connectivity2

Turn Location Tags On or Off for Photos and Videos

Every photo or video you shoot with the Samsung Camera app can quietly attach your exact GPS coordinates to the file. Share that picture online or send it to someone, and the location data travels with it, revealing exactly where it was taken. Most people only notice this after a photo has already exposed a home address or workplace.

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Notifications & Focus2

Turn Pop-up Notifications On or Off for an App

If a Samsung app keeps flashing a banner across your screen every time a message or alert comes in, that's a pop-up notification, and it can get distracting fast. Some apps switch this on by default, others leave it off, and the setting lives separately inside each app rather than in one global switch. Fixing it means finding the right notification category for that specific app.

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Apps & Installation2

Uninstall an App

An app you no longer use keeps taking up storage space and might still run background processes on your Samsung phone. Deleting it through the Google Play Store removes the app itself, but the built-in Settings menu gives you a direct way to remove it along with its stored data. Once removed, any saved data, logins, or app files linked to that app are gone for good.

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Calls & Messages2

Forward a Message

Copying and pasting the text of an SMS only grabs the words, not the attachments, photos, or links that came with it. If you want to send the whole message along with everything it contains, Samsung's Messages app has a dedicated forward option built into every conversation.

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Accessibility2

Turn On/Off Magnifier Window Shortcut

If you keep mixing up the screen magnification gesture with the Magnifier window, you are not alone. The Magnifier window only enlarges a section of the display and comes with its own settings for magnification level, focus lock, and following the typing focus. Moving it around also works differently, since it needs two fingers instead of one.

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Language & Input2

Change Default Keyboard Language

Samsung Keyboard always defaults to the system language, even after you add a second or third input language. This becomes a problem when you type mostly in another language and want it to load first. The order of your installed keyboard languages decides which one gets used by default.

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Network & Connectivity2

Delete an APN on Samsung

If you removed the wrong Access Point Name on your Samsung phone, mobile data, SMS, and MMS can stop working right away. The delete option sits in the same menu where APNs get created, so it is easy to tap the wrong entry by mistake. Only remove profiles that are not currently active for your carrier.

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Calls & Messages2

Remove a Contact Group Member

If a contact group still includes someone who should no longer get group texts or calls, they have to be taken out manually. On Samsung phones there is no swipe-to-delete inside a group; you first need to switch into edit mode, which is where most people get stuck looking for a simple remove option.

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Calls & Messages

Reject a Call with a Text message

When your phone rings during a meeting and you cannot pick up, hanging up alone leaves the caller wondering why. Samsung phones can decline the call and send a short explanation automatically, but many users never notice the option sitting right on the incoming call screen.

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Calls & Messages2

Create a New Calendar Event

If your calls, messages or appointments never show up in a shared calendar, no event has actually been created yet. The Samsung Calendar app pulls in every account you are signed into, but each appointment still needs to be added manually with the right time, location and reminder.

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Photo, Video & Media2

Show or Hide Music Info on Always On Display

When a track plays through Spotify, YouTube Music or another app in the background, the Always On Display can show the song title and artist. If that music info stays hidden or you want it gone from the lock screen, a single toggle inside the Always On Display settings controls whether it shows up at all.

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Accessibility2

Turn On TalkBack (Voice Assistant)

If someone with low vision struggles to read tiny menu text or find buttons on a Samsung phone, spoken feedback for every tap can help more than zooming in. TalkBack reads out labels, states and actions as soon as an item is touched or selected, but it also changes how the whole touchscreen behaves. Turning it on the right way avoids getting stuck with gestures that suddenly work differently.

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