Rename a Fingerprint
Every fingerprint you register on your OnePlus phone gets a generic label like Finger 1 or Finger 2, so telling your own thumb apart from a partner's index finger later is pure guesswork. Once several prints are stored for unlocking or app logins, keeping track of who owns which slot gets confusing fast.
Enable or Disable Bluetooth Tethering
Sharing your OnePlus phone's mobile data over USB or a Wi-Fi hotspot drains the battery fast or needs a cable you do not always have on hand. Bluetooth tethering lets a laptop, tablet, or second phone use your connection with far less power draw, but the toggle sits buried inside the hotspot settings and is often switched off by default.
Enable or Disable USB Debugging
If MyPhoneExplorer, ADB, or a custom-ROM installer does not recognize your OnePlus phone, USB debugging is usually the missing piece. This function sits inside Developer options and stays hidden by default, which is why many users cannot find the toggle at all.
Manage Game Space Settings
Install a game from the Play Store on a OnePlus phone and the icon never lands on your home screen - it only shows up inside the Game Space library. That trips up a lot of players who assume the install failed. Game Space also decides whether calls, notifications and screen taps get blocked while you play, so the wrong toggle can cost you a message or an incoming call mid-match.
Banner Notifications for Apps
Missing an important alert, or getting a banner pop-up from an app that should stay quiet? On OnePlus phones, banner notifications only show while the screen is unlocked and depend on a per-category 'Pop on screen' setting that's easy to miss. If that toggle is off, the alert still lands in the notification panel, but it never appears as a banner at the top of the screen.
Screen Timeout / Sleep Mode Setting
If your OnePlus display stays lit far longer than you need, it drains the battery faster than almost any other component. On the other hand, a timeout that is set too short can dim the screen mid-read, which gets annoying fast. This depends on the Sleep setting in the display options, and finding the right balance matters if you also use a pattern, PIN, or fingerprint lock.
Enable or Disable Google Play Protect
If Google Play Protect keeps flagging apps you trust, or you cannot install an APK because the scan blocks it, the built-in protection is doing exactly what it is designed for. On the other hand, if scans slow down installs or you rely on a different security app, you might want to turn the feature off. Either way, the setting sits inside your security options and controls how OnePlus checks every app you download.
Permission Manager: Control App Access
When an app suddenly asks for camera or location access again, or you are not sure which apps can read your contacts, the Permission Manager on your OnePlus gives a clear per-function overview. Instead of digging through each app individually, you pick a function like Camera or Location and see every app that currently has access to it. This makes it much faster to spot apps that have no real reason to hold a sensitive permission.
Change the Keyboard Layout
When you set up your OnePlus phone with a specific language and region, Gboard adds a matching keyboard layout automatically. If that default layout does not match how you actually type, for example a different regional QWERTY variant, the key positions and autocorrect behavior can feel off from the start. You can add and switch to another layout for the same keyboard language without losing the language pack itself.
Switch Automatically Between Wi-Fi and Mobile Data
If your OnePlus stays connected to a weak or dropping Wi-Fi network instead of falling back to mobile data, video calls stutter and pages fail to load even though your data plan is active. This happens because the Intelligent network connection feature, which lets your phone hop onto mobile data during unstable Wi-Fi, is turned off by default. Once you know where to find it, fixing the constant buffering takes less than a minute.
Enable or Disable Screen Lock Sound
Every time you lock your OnePlus with the power button, a short lock tone plays automatically. If that click feels unnecessary or gives away that you're checking your phone in a quiet room, you can turn it off - or bring it back later without touching any other sound setting.
Delete Learned Words and Keyboard Data on OnePlus
If Gboard on your OnePlus keeps suggesting outdated typos, old contact names, or words you only typed once, the learned word dictionary has grown too large. This personal dictionary builds up over time and can start pushing irrelevant suggestions ahead of the words you actually want to type. Clearing it resets predictions without touching your installed keyboard or language settings.
Clear App Cache
When a OnePlus app starts crashing, freezing, or showing outdated content, leftover cache files are often the cause. Temporary data can pile up and overlap over time, leading to glitches that have nothing to do with your actual settings or account. Clearing the cache resets these files without touching your personal data.
Enable or Disable Wi-Fi Calling
When your carrier signal drops to one bar indoors, calls often cut out or fail to connect entirely. Wi-Fi calling routes voice calls through your wireless network instead, but it only works if your provider has switched on the feature for your SIM. If the toggle is missing or stays greyed out, that mismatch is usually the reason.
Change Mobile Hotspot Band
If a laptop or older tablet cannot see your OnePlus hotspot at all, or a newer device only gets a weak signal through walls, the wrong Wi-Fi band is usually the cause. The personal hotspot on OnePlus phones can broadcast on either the 2.4 GHz or the 5.0 GHz band, and each has different trade-offs for range and speed. Picking the wrong one for your situation leads to dropped connections or frustratingly slow transfers.
Set a Custom Alarm
If your OnePlus phone only rings with one generic alarm sound at the same time every day, you probably have not set up separate alarms for different days or purposes. The Clock app lets you create individual entries with their own time, name, repetition and tone. Without adjusting these settings per alarm, all your wake-up times end up sharing the same schedule and sound.
Enable System-Wide Captions
If videos in some apps show no subtitles at all, or you want a consistent caption style across your OnePlus phone instead of relying on each app's own subtitle toggle, the system-wide captioning option in Accessibility is the setting you need. This feature works independently from automatic app subtitles and lets you pick a fixed language, text size and caption style. Many users overlook it because it hides deep inside the Accessibility menu instead of the display settings.
Allow Messages Through Do Not Disturb
If Do Not Disturb is active on your OnePlus, incoming texts and messaging app pings often vanish into the notification shade instead of alerting you. That is a problem when a contact sends something urgent while you are asleep or in a meeting. The messaging exception setting controls which senders are still allowed to break through.
Change Lock Timer After Sleep Mode
After the screen turns off on a OnePlus phone, the device does not lock right away. By default it stays unlocked for a few seconds with a black display, so anyone who wakes it up in that window gets in without a pattern, PIN, or password. This delay sits in the lock screen settings and most people never notice it until they hand the phone to someone else or leave it on a table.
Send Read Receipts Toggle
If your chat partners can see a Read label the moment you open their text, the Send read receipts option in the Messages app is turned on. Some people want that confirmation switched off to keep replies private, while others rely on it to know a message actually got through. The setting works independently from delivery notifications and applies to every conversation at once.
Reset Network Settings (Wi-Fi, Bluetooth, Mobile Data)
Wi-Fi keeps dropping, Bluetooth won't pair, or mobile data refuses to connect even though the signal looks fine? On OnePlus phones this often points to a corrupted connection profile rather than a hardware fault. A full network reset clears these profiles so you can rebuild every connection from scratch.
Power Button Ends Call Setting
Struggling to tap the on-screen End call button during an active call on your OnePlus? A hidden accessibility option lets you hang up with the power button instead, but it only works once the right setting is turned on. Leave it off and pressing the power button just locks the screen while the call keeps running.
Change Notification Sound
If the same notification tone keeps going off for every text, WhatsApp message or app alert on your OnePlus phone, it is easy to start tuning it out. OxygenOS comes with a handful of preset tones, and you can add your own audio files once those feel repetitive. The setting that controls this sits a few taps deep in the sound options, which is why many people never change it.
Allow or Deny System Settings Permission
Some apps on your OnePlus phone ask to change system settings on their own, like the wallpaper or ringtone. This permission only covers those convenience settings and has no effect on security features such as the screen lock.