Add Trusted Devices for Smart Lock
If your Oppo phone still asks for a PIN even though your smartwatch or Bluetooth headset is connected, Smart Lock likely does not have that device listed as trusted yet. Trusted devices keep the phone unlocked automatically as long as the Bluetooth connection to a paired accessory like a fitness tracker, car handsfree, or headphones stays active. Pairing alone is not enough - the accessory has to be added to the trusted list before automatic unlock kicks in.
Force Stop an App
When an app on your Oppo phone freezes and stops reacting to taps, swiping it away in the recent-apps view often just hides it while the process keeps running. Force stop ends that process directly, similar to Stop task on a Windows PC. Because it kills the process without saving anything, you usually land on a login screen the next time you open the app.
Turn Find My Device On or Off
If your Oppo phone goes missing, a deactivated Find My Device feature means you lose any chance to track, lock, or wipe it remotely. Many users only discover the toggle is off after the device is already gone, since it sits inside the Security menu rather than a separate app. Checking its status now takes less than a minute and closes that gap before it becomes a problem.
Turn Off Notifications for a Single App
If one chatty app keeps flooding your lock screen while everything else stays quiet, a blanket notification toggle wont fix it. On ColorOS you can allow or block alerts per app instead of turning notifications off system-wide.
Manage Google Activity Controls
If you have not touched the Activity controls on your Oppo phone, Google keeps logging Web & App Activity, location history, YouTube history and more under the Google Account you are signed into. This tracking runs in the background and is not obvious from the main Settings screen. Left untouched, it builds a detailed profile of what you search, watch and where you go.
Clear the Entire Call Log
If your Oppo call list keeps piling up with old numbers, missed calls, and duplicate entries, finding a recent call becomes harder every week. Since the Call history screen mixes calls and messages together, a full log can make it tricky to spot what actually matters. Clearing it out gives you a clean list again without touching your saved contacts.
Turn On/Off Silent Mode
If your Oppo phone stays quiet during calls and texts but the alarm or music still plays at full volume, Silent mode is likely active. It mutes incoming calls and SMS notifications and can optionally allow vibration, while media and alarm volume stay untouched. Many users mistake this for a broken speaker or a vibration setting that will not turn off.
Turn Google Play Protect On or Off
If Google Play Protect keeps blocking an app you trust or throws a warning notification every time you install something, the built-in scanner is doing its job a bit too aggressively. On Oppo phones this security check runs in the background by default and can interfere with sideloaded apps or apps from outside the Play Store. Turning the scan off, or back on, changes how much control Android has over what runs on your device.
Allow Display Over Other Apps
When Messenger, Facebook chat heads or a call app refuse to pop up on top of other apps, the floating windows permission on your Oppo phone is usually switched off. Without this permission the app can only run in the foreground and loses its quick-access overlay. This affects chat bubbles, screen recorders and any tool that needs to draw over your current screen.
Enable High Contrast Text
Small system fonts on Oppo phones can be hard to read in bright light or for users with low vision. The 'High contrast text' option in Accessibility boosts contrast between letters and background without changing the actual font size. If the toggle stays hidden, it usually sits inside a submenu that is easy to overlook.
Turn Mono Audio On or Off
If you only wear one earbud or rely on a single-ear headset, Oppo's default stereo playback can cause you to miss dialogue, notification tones, or background sounds that are mixed to the other channel. This shows up during calls, videos, and games where audio cues are split left and right. Mono audio fixes this by merging both channels into one identical signal.
Turn On or Off the Keyboard Suggestion Strip
If a row of word suggestions keeps popping up above the keyboard while you type, that is the suggestion strip built into Gboard. Oppo phones ship with this bar switched on by default, and tapping a suggested word drops it straight into your text. If the constant suggestions distract you or make typing feel cluttered, you can turn the strip off in the keyboard settings.
Make a Phone Call
Switching between the Phone app and Contacts can be confusing when you just want to dial a number fast on your Oppo device. New users often do not realize there are several ways to start a call, and dual-SIM devices add an extra step that trips people up. This guide walks through the fastest route to get a call connected.
Add a Wi-Fi Network Manually
If a Wi-Fi network does not show up in the list of available connections, you cannot just tap and connect like usual. This happens when a router hides its SSID broadcast or when the signal is weak enough that Android drops it from the scan results. To connect anyway, you need the exact network name and, if the router uses one, the correct password.
Turn Usage & Diagnostics On or Off
If your Oppo phone keeps sending usage and diagnostic data to Google without a clear reason, the toggle for it sits deep inside the privacy menu and gets overlooked easily. This data includes device performance details, crash reports and app usage patterns, even though Oppo does not fully disclose everything that gets collected. Turning the option off stops the automatic sharing, but you also lose the small contribution to future Android stability fixes.
Rearrange Quick Settings Icons
If your Quick settings panel feels cluttered or the toggle you reach for most sits on a second screen, the icon order on your Oppo probably still matches the factory layout. ColorOS lets you add, remove and reorder these buttons, but the edit mode is easy to overlook since it hides behind a small pencil icon in the panel itself. Between eight and sixteen icons fit here depending on your model, and a messy order slows down quick access to Wi-Fi, flashlight or Bluetooth.
Adjust Smart Sidebar Opacity
When the Smart Sidebar floating bar sits fully opaque on the edge of your screen, it can cover subtitles, icons, or app content behind it. On Coloros, the handle transparency is adjustable, so you can make it blend in during games or video playback instead of standing out. Left at the default level, many users find the handle too bold for everyday use.
Auto-Arrange App Icons on the Home Screen
If new apps always land in the next open slot instead of where you tapped, Icon autofill is likely turned on. This ColorOS feature keeps every app icon sorted in reading order, left to right, line by line, and blocks manual placement anywhere else on the home screen. Icons can only move within that fixed order until you turn the feature off.
Copy Text From an SMS Message
Copying text from a text message on Oppo often fails because a short tap only opens the reply field or the keyboard instead of a selection menu. This makes it hard to grab a confirmation code, tracking number, or address to paste into another app.
SMS Delivery Reports: Turn On or Off
If you can never tell whether a text actually reached the other person, your Oppo phone probably has delivery confirmations switched off. The feature that sends you a status update once an SMS lands on the recipient's device sits inside the Messages app and is disabled out of the box. On dual SIM phones it also behaves differently depending on which SIM sent the text.
Turn Google Backup On or Off
If your Oppo phone has stopped saving app data, call logs or Wi-Fi passwords to Google Drive, the Back up my data option is probably switched off. Without it, you lose the ability to restore that data after a factory reset or when setting up a new phone. Switching it back on keeps a running copy of your device data tied to your Google account.
Auto Brighten Screen for Face Unlock
If Face Unlock keeps failing in a dark room or at night, the front camera likely does not get enough light to map your face. Coloros has an 'Auto brighten screen for face recognition' option meant to fix exactly this, but it is easy to miss and easy to leave switched off by accident.
App Time Limit Setup
If one app keeps eating up your whole day, Oppo's Digital Wellbeing tools let you cap it with a daily timer. Once the time runs out, Coloros force-closes the app and keeps it locked until midnight. Each app gets its own separate limit, so you can restrict social media while leaving work apps untouched.
Autospace After Punctuation Toggle
Typing fast on your Oppo phone and ending up with double spaces or missing spaces after periods and commas? Gboard's autospace feature inserts a space automatically after punctuation, which can clash with your own typing habits or with pasted text that already has spacing.