Add a Birthday to a Contact
Birthdays entered on other phones or synced accounts do not always show up in a OnePlus contact card, especially when the Date field defaults to a different label like Anniversary. Without the correct field type, the birthday reminder never triggers in Calendar or the dialer app. This causes missed birthday notifications even though the date is technically saved somewhere in the contact.
Show or Hide Holidays in the Calendar App
If your OnePlus calendar shows a public holiday on almost every day, actual appointments get pushed down and easy to miss. This happens because the calendar app displays regional and national holidays by default, on top of every synced account. The more accounts you have connected, the more crowded the day view becomes.
Sound & Vibration for Calendar Reminders
Missed calendar reminders on a OnePlus phone are often caused by a disabled sound or vibration setting inside the Calendar app itself, not by the phone's general ringtone. Without an active sound file or vibration pattern, alerts for appointments and events can pass by completely unnoticed.
Enable or Disable App Notification Dot
If a small dot keeps sitting on top of an app icon even after you already read the message or checked the missed call, the Allow notification dot setting is likely active for that app. OxygenOS adds this dot per app whenever a new notification arrives, and it stays visible until the notification is cleared or opened. Some apps show it constantly, which gets distracting if you only want the dot for apps that really need your attention.
Read in Background for Select to Speak
When Select to Speak is reading text aloud on your OnePlus phone, switching to another app usually stops the narration mid-sentence. The Read in background option keeps the voice going while you jump between apps, but it stays an experimental feature that can behave inconsistently. If speech cuts out unexpectedly or keeps running when you do not want it to, this setting is the reason.
Show Typing Indicators: Enable or Disable
If your chat partner keeps seeing you are typing even during short pauses, the Show typing indicators feature is broadcasting your input status. This works the same way as the typing bubble in WhatsApp, letting others know a reply is on the way. Turning it off removes that pressure without touching any other messaging setting.
Add Users from Lock Screen (Enable/Disable)
Anyone who picks up your locked OnePlus can still create a new user profile if 'Add users from lock screen' is turned on. That option sits inside the multi-user settings and lets someone add an account without ever unlocking your device first. Turning it off limits the lock screen to switching between profiles that already exist.
Enable or Disable JavaScript in Chrome
If buttons, menus or forms stop responding on a website you open on your OnePlus phone, JavaScript in Chrome may be switched off. Most modern sites rely on JavaScript for navigation, dynamic content and interactive elements, so turning it off can leave pages looking broken or unusable. You can check the current status and change it directly inside the Chrome app.
Volume Key Shortcut to Start Accessibility Feature
If pressing and holding the volume buttons does nothing on your OnePlus phone, the volume key shortcut for accessibility features is probably switched off or linked to the wrong service. This shortcut is meant to jump straight into functions like TalkBack, Select to Speak or Switch Access without opening any menu first. Whether the gesture works from the lock screen or only inside an unlocked phone depends on one extra setting that is easy to miss.
Choose Which Contacts Are Displayed
If your OnePlus phone shows every saved number in one giant list, work contacts and personal ones end up jumbled together. This happens because the Contacts app pulls entries from every linked account and group by default, with nothing filtered out. Sorting this out keeps the list focused on the people you actually need to see.
Lock Apps with an Extra Password
If anyone who picks up your unlocked OnePlus can open banking, messaging or gallery apps without any extra check, App locker is still switched off. OxygenOS can require your lock screen password or pattern again before those specific apps open. You can also decide whether notification previews from locked apps still show up on the lock screen.
Create a Folder on the Home Screen
When your OnePlus home screen fills up with icons, finding the right app takes longer every time. OxygenOS does not sort apps into categories automatically, so scattered icons for messaging, games, or tools quickly turn into visual clutter. Grouping related apps into a named folder keeps the layout manageable without deleting anything.
Enable or Disable Device Admin Apps
If a security or productivity app suddenly loses the ability to lock your screen, wipe data remotely, or enforce password rules, its Device admin app permission may have been switched off. On OnePlus phones this special access level controls how deep an app can reach into system settings and internal storage. Losing track of which apps hold this permission can leave the phone either over-exposed to a single app or missing features you actually rely on.
Change Select to Speak Voice Speed and Language
When Select to Speak reads text out loud, the voice can sound too slow, too fast, or in the wrong language for what you actually need. Just like TalkBack, this feature relies on the system Text to speech engine, and its sliders for rate and pitch are easy to overlook. Getting the reading speed and language right makes selected text far more usable in daily situations.
Enable or Disable On-Body Detection
When On-body detection is active, your OnePlus phone stays unlocked the moment you pick it up or carry it in a bag, even after the screen would normally lock. The feature only checks for motion, not who is actually holding the device, so anyone carrying it gets the same access. If your phone keeps unlocking itself on the way to work or during a workout, this Smart Lock option is usually the reason.
Manage Individual App Permissions
If a OnePlus app suddenly can't reach your contacts, camera, or storage, a permission was likely denied at some point, either by you or automatically. Apps only ask for access like location or storage when they actually need it, and each prompt can be allowed or denied on the spot. Over time this leaves some apps running with limited access for reasons that are not obvious anymore.
Set the Time Manually
If your OnePlus phone keeps snapping back to the wrong time or a different time zone, the network time sync is overriding whatever you type in. Oxygenos pulls this value directly from your carrier, so a manual change gets reverted within seconds unless that source is switched off first.
Add WiFi Network Manually
If your OnePlus phone does not show a WiFi network in the scan list, the router is usually broadcasting a hidden or non-visible SSID. Without the network name in the list, you cannot tap it and connect the usual way. Adding the network manually lets you connect once you have the exact SSID and password from the router.
Add a City to World Clock
If the Clock app on your OnePlus phone only shows your own time zone, keeping track of a call with someone abroad turns into constant math. The World clock feature lets you pin extra cities with their live time and current weather, but the button to add or remove them hides behind an icon that is easy to miss. Once you know where to tap, managing your list of cities takes seconds.
Create an Album for Photos or Videos
When photos and videos from trips, screenshots, and app downloads all land in the same Gallery feed, finding a specific shot later gets tedious. OnePlus Gallery groups everything by date by default, with no automatic sorting by topic or event. Creating a named album under Collections lets you group related media manually, but the name you pick sticks unless you go back and edit it.
Change Default Home Launcher
If your OnePlus phone still opens the stock home screen after installing a new launcher from the Play Store, the wrong app is still set as default. This mix-up shows up when widgets, icons or shortcuts do not match the launcher you expected to use. Switching the default Home app fixes which interface controls your start screen.
Add Bookmark Shortcut to Home Screen
Typing the same web address into Chrome every day gets old fast, especially for sites that do not have their own app. A bookmark saved only inside Chrome's bookmark list still needs several taps before the page loads. OxygenOS lets you turn any website into a home screen icon that opens directly, without a detour through the browser menu.
Show or Hide Battery Percentage in Status Bar
Guessing whether your OnePlus is at 20 percent or 60 percent from the battery icon alone is unreliable, especially once the icon outline gets thin. Without an exact number next to the icon, you only see a rough fill level in the status bar. That makes it hard to judge how much time you have left before a meeting or a long trip away from a charger.
Change Lock Screen Clock Style
If the default lock screen clock on your OnePlus phone looks plain, you don't have to keep it. Some styles only show digits, while others add an analog face or a date line underneath the time. Which one fits depends on a setting most people never open.