Skip to content
TechBone
Samsung

Guides for Samsung Galaxy M02s

532 guides

Network & Connectivity2

Unpair a Bluetooth Device

When a Bluetooth accessory keeps reconnecting automatically or you no longer trust a device on the list, removing the pairing is the only reliable fix. A simple disconnect just drops the current link but leaves the device saved, so it reconnects the next time it is nearby. Unpairing removes the stored connection completely and forces a fresh setup if you ever want to use it again.

Open
Network & Connectivity2

Set Up Mobile Hotspot with a Custom Name and Password

The first time you turn on the mobile hotspot on a Samsung phone, it broadcasts under the device name with an autogenerated password. That default network name is often confusing for guests and reveals your phone model to anyone scanning nearby networks. You can replace both the name and password before sharing your connection.

Open
Photo, Video & Media2

Turn On/Off Mono Audio

If you share headphones or only wear one earbud, stereo playback leaves you missing half the sound. Samsung phones split calls, music, and video audio across left and right channels by default, so a single ear only catches part of the mix. Mono audio merges both channels into one so nothing gets left out.

Open
Other2

Change Device Name

If your Samsung phone shows up under an old or generic name when you connect via Bluetooth, Wi-Fi Direct, or NFC, other people nearby see that name too. This happens because the device name is set once during setup and rarely gets updated afterward.

Open
Network & Connectivity2

Change Preferred Network Mode

If your Samsung phone keeps dropping to a slower connection or won't pick up 4G or 5G even with full signal bars, the Network mode setting might be locked to an older standard. This option decides whether the device connects using 2G, 3G, 4G, or 5G, and a wrong choice here cuts off faster networks completely. On dual-SIM models each SIM slot has its own separate setting.

Open
Storage & Backup2

Mount SD Card Manually in Storage Settings

If your Samsung phone shows an SD card as inserted but the gallery, camera, or file manager still cant see it, the card is likely unmounted rather than broken. This happens after a restart, a card swap, or when the phone fails to auto detect the card on boot. Mounting makes the storage available again without formatting anything.

Open
Other2

Find on Page in Samsung Internet

Scrolling through a long article to find one keyword wastes time, especially on news sites or long product pages. Samsung Internet has a built-in Find on page feature that highlights every match on the current page so you do not have to read the whole thing. Many users never notice this option because it sits inside the browser menu instead of the address bar.

Open
Network & Connectivity2

Turn Mobile Data On or Off

When mobile internet stops working outside WiFi range, or you want to cut data usage while traveling, the culprit is often the Mobile data toggle itself rather than a network issue. On dual SIM Samsung phones, only the SIM set as your default data line reacts to this switch, which confuses a lot of users. Data usage limits and background restrictions can also silently affect how this toggle behaves.

Open
Notifications & Focus

Schedule Do Not Disturb Automatically

Turning Do Not Disturb on and off by hand every night or before every meeting gets old fast, and it is easy to forget switching it back off. Samsung phones let you set fixed days and times so the mode activates and deactivates on its own. A custom schedule name also helps when you want more than one routine, like work hours and sleep.

Open
Photo, Video & Media2

Enable Grid Lines in Camera

Framing a shot by eye often leaves the horizon tilted or the subject off-center in the final photo. Samsung cameras include an on-screen grid overlay meant to fix this, but many people never notice the toggle or don't know which pattern fits their shot. Portraits and landscapes benefit from different grid styles, so picking the wrong one still leaves composition guesswork.

Open
Network & Connectivity2

Set Default SIM Card for Mobile Data

If mobile data feels slow after inserting a second SIM, your Samsung phone is likely still pulling data through SIM card 1 by default. On some models only that first slot supports fast LTE, so calls or texts on SIM 2 work fine while data stays sluggish. Switching the active data SIM fixes this without removing either card.

Open
Storage & Backup2

Clear App Cache

If an app freezes, crashes on launch, or shows outdated information right after an update, leftover cache files are usually the reason. Samsung apps store temporary data to load faster, but that data can go stale or corrupted over time. Clearing the cache removes this junk without touching your logins, settings, or saved files.

Open
Language & Input2

Turn Swipe Typing On or Off on the Keyboard

If dragging your finger across the letters does nothing, or the keyboard keeps guessing the wrong word while you glide between keys, the built-in gesture typing might be switched off or set to the wrong mode. Samsung labels this feature keyboard swipe control, while most other Android keyboards call the same trick glide typing or swipe typing. Getting the setting right decides whether the keyboard reacts to continuous finger movement at all.

Open
System & Settings2

Turn JavaScript On or Off in Samsung Internet

If buttons, menus, or forms suddenly stop reacting on a website in Samsung Internet, JavaScript has often been switched off. Some pages refuse to load content at all without it, since most modern sites rely on the scripting language for interactive elements. The toggle for this sits buried inside the browser's site permissions and is easy to overlook.

Open
System & Settings2

Check for Software Updates

If your Samsung phone still shows the old software version, the automatic background check may not have run yet. Update search only happens at set intervals, so a released patch can sit unnoticed for hours or longer. Triggering a manual check tells you right away whether a new version is actually available.

Open
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.

Open
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.

Open
Calls & Messages

Restore Deleted Messages from Trash

If a text message disappears from the Samsung Messages app, it usually is not gone for good. Samsung keeps deleted messages in a Trash folder for a set period before permanent removal, and you can bring them back during that window.

Open
Notifications & Focus

Turn Touch Interaction Vibration On or Off

Every tap on your Samsung display triggers a short buzz, and that constant vibration feedback can feel distracting or drain battery faster than expected. This haptic response is separate from ringtone and notification vibrations, so switching those off does not stop it. The setting lives inside the sound and vibration controls and is easy to miss.

Open
Apps & Installation2

Change Default Messaging App

If your preferred messaging app never opens incoming texts, Samsung is still routing standard SMS through its own Messages app. Samsung lets you actively pick which app handles text messages, unlike some other Android setups. A screen lock combined with a restart can also delay message loading until you unlock the device once.

Open
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.

Open
Storage & Backup

Restore a Local Backup

If your Samsung phone still shows old photos, contacts or settings after a factory reset, the backup saved to your memory card, USB stick or external drive was never applied. Local backups live outside your Samsung account, so the system will not pull them in automatically. You need to trigger the restore manually through the storage transfer settings, and this works on any Samsung device, not only the one that created the backup.

Open
System & Settings2

Clear Browsing History in Samsung Internet

If Samsung Internet keeps suggesting old searches or autofilling addresses you would rather forget, your browsing history is probably still full. The browser stores every visited page except the ones opened in secret mode, and that list keeps growing until you clear it manually. You can remove a single entry or wipe the entire history at once.

Open
System & Settings2

Show or Hide Weather in World Clock

If every city in your Samsung World Clock list shows a small weather icon next to the time, that extra data can make a long list feel cluttered fast. The weather display comes from the same location data used for the time difference, and it applies to all saved cities at once, not just one. You can turn this display on or off without deleting any of the clocks you already added.

Open