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Samsung

Guides for Samsung Galaxy A02s

558 guides

Accessibility2

Turn On/Off Color Correction

If reds and greens blend together on your Samsung screen, or blue tones look washed out, reading charts, icons and notifications gets harder. This is usually not a display defect but an unadjusted color vision setting. Samsung includes filters for different types of color blindness, but they only help once enabled and matched to the right type.

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Notifications & Focus2

Hide Notification Pop-ups in Do Not Disturb

Even with Do Not Disturb turned on, notification banners and icons keep popping up on the screen, they just arrive silently. That happens because Do Not Disturb only mutes sound and vibration by default, it does not hide the visual notification itself. If you want your screen to stay completely clear while the mode is active, you need a separate setting for that.

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Battery & Power

Auto Optimize Settings for Battery Saving

If your Samsung phone still feels warm or the battery keeps dropping overnight even though you barely touched it, background tasks and unused settings are probably staying active the whole time. The Optimise settings feature is meant to clean this up automatically around midnight, but only when it's switched on. Left off, your device keeps every setting running at full power whether you're using the phone or it's sitting untouched on the nightstand.

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Network & Connectivity2

Share Internet via Bluetooth Tethering

If a paired Bluetooth device cannot get online through your Samsung phone, Bluetooth tethering is likely still switched off. Pairing alone does not grant internet access - you need to enable that separately for the connected device. Without this step the connection stays limited to file transfer and audio, with no data passthrough.

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Security & Privacy2

Show or Hide Lock Screen Pattern Trail

If you swipe a pattern to unlock your Samsung phone, the line you draw stays visible on screen the whole time, which means anyone glancing over your shoulder can trace it. This visible trail is a separate setting from the pattern itself and can be switched off for more privacy. Nothing about your actual pattern shape or length changes when you hide the line.

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Calls & Messages2

Share Contacts as File or Text

Retyping a phone number or address for a friend wastes time and often introduces typos. Samsung's Contacts app can export a single entry as a VCF file or as plain text so you can send it through WhatsApp, Messages or email without manual copying. Picking the wrong format can still leave the recipient with a file their app cannot read.

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Language & Input2

Add a Keyboard Language

Your Samsung keyboard only offers the system language by default, so a German-language phone types German everywhere, even in messages you want to write in English or another language. Switching between alphabets or typing foreign words forces constant autocorrect fights. The fix sits in the Samsung Keyboard settings, but the option to add extra input languages is buried several menus deep and easy to miss.

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Calls & Messages

Make a Phone Call from the Dialer

If you are not sure how to start a call on your Samsung phone, the process runs through the dialer keypad, not just the contacts list. A missing or inactive SIM card is the most common reason a call will not connect, even when the number is entered correctly. Once the SIM is active, both manually typed numbers and saved contacts work the same way.

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Language & Input2

Enable or Disable Google Voice Typing

If the microphone icon is missing from your Samsung keyboard, Google voice typing is probably switched off in the keyboard settings. This feature turns spoken words into text while you type, but only works once it is active under Language and input. You can switch it on or off at any point without changing your default keyboard app.

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Notifications & Focus2

Change Timer Sound

If the timer on your Samsung phone always plays the same tone, no matter which alarm or reminder you set, the Clock app is likely still using its default Timer sound. You can swap it for another preset tone or a custom sound file, but the option sits inside a separate sound menu that many people never open.

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Storage & Backup2

Create a Local Backup to SD Card

If your Samsung phone has no internet connection or you would rather skip Samsung Cloud and Google entirely, a local backup on the SD card or internal storage fills that gap. It runs on the External storage transfer function, which shares its engine with Smart Switch, so the file can later restore straight onto another Samsung device. This is worth doing before a factory reset, a SIM swap, or whenever cloud storage is full.

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Calls & Messages2

Change SMS Input Mode (GSM or Unicode)

If a single text turns into two or three messages the moment you add an emoji, the input mode set for text messages is the reason. GSM alphabet only covers basic Latin characters, so any emoji or special symbol forces the message to switch encoding and split. Automatic or Unicode mode prevents that, but it can affect how many messages you get billed for.

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Other2

Add or Remove Edge Panels

The Edge panel on your Samsung phone comes with a handful of panels active out of the box, but not every panel you might want is enabled - and you might be stuck with ones you never touch, like the calendar or direct dial panel. Extra panels, including a calculator panel, are available for free through the Galaxy Store but stay invisible until you select them in the panel list. Swiping in from the edge and seeing the wrong panels, or too few of them, usually just means the panel selection needs an update.

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Battery & Power2

Turn Fast Charging On or Off

If your Samsung phone gets noticeably warm while charging or you worry about long-term battery wear, Fast charging in the battery settings is usually the reason. Leaving it active while the phone sits on the charger overnight adds unnecessary heat and stress to the battery for no real benefit.

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Network & Connectivity2

Turn Dark Mode On or Off in Samsung Internet

If Samsung Internet still opens in a bright white layout even though your phone runs a dark theme, the browser has its own separate dark mode toggle. Some users only find a system-wide switch and assume the browser has no dark option at all, while others get a dark browser frame but pages still render bright. The setting sits inside the browser app itself, not in the general display settings.

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Notifications & Focus2

Set the Volume Key Function in Camera

Pressing the side volume buttons on your Samsung phone snaps a photo or starts recording a video by default, which can surprise you while you're just trying to hold the phone steady. If you'd rather zoom in and out or control the system volume with those same buttons, the camera app has a separate setting for that. Getting this wrong means accidental presses either waste shots or leave you without quick volume access.

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Notifications & Focus2

Allow Repeat Callers in Do Not Disturb

When Do Not Disturb is on, your Samsung phone silences every incoming call, even from someone trying to reach you urgently. The Repeat callers exception is meant to let a second call from the same number through within 15 minutes, but many users find it either missing or not working as expected. Knowing where this setting lives helps you decide when silence is too strict.

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Storage & Backup2

Turn On Automatic Backup to Samsung Cloud

If your Samsung phone only gets backed up when you remember to trigger it manually, automatic backup to Samsung Cloud is probably switched off. The Auto back up function saves selected categories like contacts, photos or app data on a schedule, but each category has its own toggle. Skip one setting and that data type stops being backed up even while the rest keeps running.

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Display & Home Screen2

Adjust Screen Timeout

If your Samsung display keeps dimming or locking while you are still reading, the screen timeout is set too short for your habits. On most Samsung phones the display switches off after 30 seconds by default, which feels rushed when scrolling through long articles or recipes. The right timeout value depends on how you use your phone and how much battery life you want to keep in reserve.

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Calls & Messages2

Set Side Key to End Calls

Reaching across the screen to hang up gets annoying fast, especially with one hand full or the phone mounted somewhere out of reach. Samsung phones can end calls with a single press of the side key, but this option stays off by default. Until you switch it on, pressing the side key during a call just locks the screen or triggers whatever shortcut you set up elsewhere.

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System & Settings2

Navigation Bar Button Order

If the Back and Recent apps buttons feel swapped on your Samsung phone, it is not a bug, the navigation bar just uses a layout you are not used to. Samsung only lets you mirror the whole button row, not rearrange each icon freely. Knowing this limit saves you from searching for a setting that does not exist.

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Notifications & Focus2

Custom Notification Sound per App

On Samsung phones every app can technically get its own notification sound, but only if that app requests separate notification categories from the system. Apps that bundle everything into one generic channel keep the sound picker greyed out no matter what you try. That leaves you guessing whether a buzz is a message, a reaction, or a system alert.

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Notifications & Focus2

Change Media Volume Separately from Ringtone

Videos on YouTube, music apps, and most in-app sounds all run through Media volume, not the ringtone or notification stream. That is why turning your phone silent for calls does not stop a video from blasting through the speaker. If the volume buttons seem to control the wrong sound depending on what is open, this Media stream is the reason.

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Network & Connectivity2

Install Ad Blocker in Samsung Internet

If every page load buries the content under banners, pop-ups, and autoplay video ads, Samsung Internet is missing an ad blocker extension. The browser does not filter ads on its own, so pages stay cluttered and load slower until you add one yourself. Some heavy ad-driven sites can even make scrolling feel laggy on older devices.

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