Sort Call List by First or Last Name
If contacts in your OnePlus call history seem to appear in the wrong order, the sort setting is often the cause. The Phone app lets you sort call list entries by first name or last name, independent of how the display name format is set. Mixing up these two settings is a common source of confusion.
Enable or Disable Nearby Places in the Phone App
If the OnePlus Phone app keeps mixing local businesses and points of interest into your contact search, the Nearby places feature is switched on. This function relies on constant access to your device location to suggest places you can call directly, which some users find distracting or a battery drain. Turning it off keeps the dialer limited to your saved contacts only.
Show or Hide Calendar Week Number
When you book a meeting or deadline, you often need the calendar week number, and the OnePlus Calendar app does not show it by default. That forces you to count weeks manually every time you check a date. The Show week number setting controls whether week numbers appear next to the days in your calendar view.
Add a New Contact
If phone numbers and addresses end up scattered across text threads and emails instead of one place, you need a proper entry in the Contacts app on your OnePlus phone. A contact that only has a name but no number or address is usually one that got saved in a hurry and never finished.
Make a Phone Call with the Phone App
If your OnePlus phone keeps asking which SIM card to call from every time you dial, or a call quietly goes out through the wrong number, the Phone app's Dual SIM handling is usually behind it. This mostly affects setups with two active SIM cards where no default line has been set for calls. Knowing where that selection lives saves you from mixed-up bills and missed callbacks.
Filter Call History (All or Missed Calls)
Scrolling through a long call log to find one missed number wastes time on OnePlus phones. The Phone app mixes all call types together by default, so a missed call gets buried between outgoing and incoming entries. A quick filter switch narrows the list down to just what you need.
Change the Start of the Week in the Calendar App
If your OnePlus Calendar always opens with Sunday as the first column, the app is likely following the week-start rule tied to your phone's region setting. That gets confusing when you travel for work and your team's calendar starts on Monday instead. Oxygenos lets you override this default and pick Saturday, Sunday or Monday as the start of the week.
Flip to Silence for Incoming Calls
When a call rings loudly in a meeting and there is no time to dig for the phone, flipping it face-down should mute it instantly. On OnePlus phones running OxygenOS, Flip to Silence only works once the option is switched on in the Phone app; until then, flipping the device does nothing to the ringtone or vibration.
Answer an Incoming Call
When your OnePlus phone rings, the incoming call takes over the entire screen along with the ringtone and vibration. Saved contacts show their name next to the number, but the actual answer control is a sliding gesture rather than a simple tap. Tap the icon like a button and nothing happens, so the call keeps ringing until it drops to voicemail.
Forward an SMS or MMS Message
Retyping or copying a text just to send it to someone else wastes time, especially with longer MMS content like photos or shared links. The Messages app on OnePlus phones has a built-in Forward option that gets skipped by many users because it hides inside a long-press menu. Without it, important information often gets lost in manual retyping or screenshots.
Share Contacts
Forwarding a phone number often means retyping every detail by hand, from address to birthday. OnePlus lets you send contact details straight from the Contacts app, but the sharing option sits inside a menu that is easy to miss if you have never used it before.
Add an Alternate Calendar to the Calendar App
If the Calendar app only shows the standard Gregorian dates, you are missing a second date system next to the regular calendar view. OnePlus lets you display an alternate calendar such as Chinese, Simplified Chinese, Traditional, Hebrew or Hijri right below the main dates. The feature sits in a settings area that is easy to overlook on first use.
Create Contact Group
Sending the same text to five different chats or emailing your whole team one by one wastes time on a OnePlus phone. The Contacts app supports labels that bundle several people under one name, but the option to create one sits hidden inside the app's menu instead of its own tab. Without a label, group messages and group emails still mean picking every recipient manually.
Set Calendar Event Colors by Category
When appointments from different Google Accounts, birthdays, and personal events all appear in the same shade, the Calendar app on your OnePlus gets hard to scan at a glance. Each event category can carry its own color, but the option sits inside the calendar settings and is easy to miss. Without it, a work meeting and a birthday reminder look identical in your day view.
Block or Unblock a Contact
Getting repeated calls or texts from the same number on your OnePlus phone points to a contact that needs blocking through the Contacts app. If you already blocked someone and now want them back, the reverse process works differently and trips up a lot of users. Both actions run through the contact's own menu, not through Phone or Messages settings.
Rename a Contact Group
Typing errors creep in fast when you first set up group labels in the Contacts app, and a name that made sense last month can suddenly feel confusing. On OnePlus phones, a label used for calls and messages does not update on its own just because your contact list changed around it. Fixing the name only means finding the right spot in the label menu.
Add a Contact Photo
If a contact shows up as a plain gray silhouette instead of a picture, incoming calls and texts on your OnePlus phone give you no visual clue about who is reaching out. That gets confusing fast when several contacts share a similar first name or when you are scrolling through a long list looking for someone.
Allow Phone Calls and SMS for Added Users
When you add a second user profile on a OnePlus phone, that account cannot make calls or send texts by default. The Phone and Messages apps stay locked until you switch on a specific permission for that profile. Once active, call logs and SMS threads become shared across every user on the device.
Reject an Incoming Call by Dragging the Handset Icon
If you just want a call to stop ringing without triggering the usual quick-reply text message, tapping and holding the handset icon is not the same as swiping to decline. On OnePlus phones, dragging the green icon downward ends the call silently, and what happens next depends entirely on your carrier's voicemail or call diversion setup, not on the phone itself. Many users mix this gesture up with the short-answer method and end up confused when no SMS is sent.
Disable Gmail Event Sync in Calendar
Booking a flight or a restaurant table on your OnePlus phone can suddenly add an extra appointment to your Calendar app that you never created manually. This happens because Gmail automatically forwards detected reservations and bookings as calendar events for every linked Google account. If you only want your own manually added appointments to show up, that automatic sync needs to be turned off.
Enable or Disable VoLTE Calls
Calls on your OnePlus sound muffled or take a few extra seconds to connect, especially indoors or in areas with weak signal. This happens because the phone falls back to older 2G or 3G networks instead of routing voice traffic over your 4G connection. Switching this behavior on or off changes call quality, connection speed, and even battery drain.
Auto-download MMS: Enable or Disable
MMS attachments like photos or videos download automatically as soon as a message arrives, even on a limited data plan. On a OnePlus phone with two SIM cards, this setting exists separately for each SIM and can quietly burn through mobile data while roaming. Turning it off gives you back control over when attachments actually load.
Mark All Messages as Read
If your Messages app on your OnePlus phone is cluttered with unread badges after a busy weekend, opening every single conversation just to clear the counter wastes time. OnePlus includes a shortcut that clears the unread marker on all conversations in one tap, without touching the content of any chat.
Show or Hide Calendar Accounts
If you have linked several Google accounts on your OnePlus, the Calendar app shows every event, reminder and task from all of them at once. That makes the monthly view crowded and hard to scan for a specific account or category. You can turn individual accounts or categories on or off without removing the account itself.