How to change the language on X (and the app trap)

#Quick answer

To change the language on X (formerly Twitter), go to x.com, click the more icon, open Settings and privacy, click the Accessibility, display, and languages tab, click Languages, then pick your language under Display language and click Save. X may ask for your password first.

The part that sends people in circles: there is no equivalent setting inside the X apps. X's own help page states that display language settings can only be changed on X.com, and that iOS and Android users must change it through the device's Settings instead.

Last updated: September 2026

#Change your display language on x.com

These steps come from X's help page on language settings.

1. Click the more icon in the left sidebar and select Settings and privacy.
2. Click the Accessibility, display, and languages tab.
3. Click Languages.
4. Under Display language, choose your preferred language for headlines, buttons and other text from X.
5. Enter your password if prompted, then click Save.

The interface switches immediately. Navigation, menus, button labels, system notices and the words X writes itself all change; nothing anyone else posted does.

One quirk worth knowing if it applies to you: X notes that the Arabic (Feminine) display language is currently available on web only. Most languages exist on every surface, but the newer grammatical-gender variants have not reached the apps yet.

If you do most of your X work in a browser anyway, the rest of the desktop feature set is mapped in our guide to using X in a web browser.

#Why the app has no language setting

Search the X app's settings for a language menu and you will not find one, which is not a bug and not a build-rollout thing. The apps inherit the language from the operating system, so the control sits in iOS and Android rather than in X.

On iPhone:

1. Open the device's Settings and tap General.
2. Tap Language & Region.
3. Tap iPhone Language to change your primary language, or Other languages to add one.
4. Go back through Settings until you see the X app and tap it.
5. Under Preferred Language, tap Language and select the one you want.

That last step is the useful one. You can leave the whole phone in English and set X alone to Spanish, or the reverse, because iOS keeps a per-app language preference.

On Android:

1. Open Settings and tap System.
2. Tap Languages & input, then Languages. If there is no System entry, look under Personal for Languages & input.
3. Tap Add a language and choose the one you want.
4. Drag that language to the top of the list.
5. Restart the X app.

Android has no per-app switch in the same sense, so the language at the top of the system list wins and the restart is what makes X re-read it. Skip the restart and you will stare at an unchanged interface and assume the change failed.

Newly installed on a phone and wondering why it opened in a language you never picked? That is the same mechanism, and how to get the X app covers the install side.

#Display language is not content language

This is the single biggest misunderstanding on this query, and X addresses it directly: changing your display language does not change the language of the content you see on your Home timeline.

Two separate systems:

Switch your display to French and the timeline stays exactly as it was. The accounts you follow keep posting in whatever they post in, and your recommendations keep following the signals they already had.

To change the content side on mobile:

1. From the navigation menu, tap Settings and privacy.
2. Tap Accessibility, display, and languages, then Languages.
3. Tap Recommendations and choose from the list of languages.
4. Pick every language you want to see people, Trends and posts in.
5. Tap Done.

On the web the same list is reached through the Accessibility, display, and languages tab, then Language, where you get Select additional languages plus a second list described below. As with the display setting, X may ask for your password before it saves.

Trends respond to this setting more visibly than the timeline does, which matters if your local trends have been showing up in a language you do not read. We break down how that surface is assembled in how X trending topics work.

#The list X built for you

Under the same web screen sits Languages you may know, and X describes it plainly: these are languages it inferred from your activity. Nobody filled that list in. It is a guess made from what you post, read, and engage with.

Useful, occasionally wrong, and worth auditing. An inferred language you do not actually read is a standing instruction to feed you posts you will scroll past, and a timeline full of posts you skip is a timeline the ranking system learns less from. If you care about what your feed is optimising toward, our breakdown of how the X algorithm works explains why those signals compound.

Clearing a language you never spoke costs a few seconds and quietly tightens what you get shown.

#When the language changes on its own

A few common causes, in rough order of how often they turn out to be the real one.

You changed the phone, not the app. Setting a new system language on Android moves X with it. If English is what you want back, put English at the top of the system list and restart the app.

You are signed in somewhere else. The display language is an account setting, so a change made on your laptop follows you to the web on any other machine. It does not follow you into the apps, because those read the device.

You are logged out. Signed-out x.com falls back to the browser's language header, which is why a fresh browser or a new machine can greet you in a language your account never used. Sign in and the account setting takes over.

The password prompt scared you off. It is routine here. X's privacy policy lists display language among the account details you provide at signup, next to your date of birth and username, so editing it is an account change rather than a local preference. If the prompt fails, reset from how to change your X password and come back.

#The five-minute cleanup worth doing

While you are in this screen, three settings are usually mis-set and all three are one click each.

Set the display language to the one you actually read. Set Recommendations to every language you genuinely want content in, not every language you have ever touched. Then delete anything in "Languages you may know" that you do not.

That combination does more for feed quality than most timeline advice, because it fixes the input rather than the output. If your goal on X is reach rather than reading, the next lever is consistency of posting, which is the job X-Autopilot runs on your own Mac, in your own browser session, without handing your credentials to a cloud dashboard.

Language settings are the boring kind of setting: invisible when right, maddening when wrong. Five minutes now, and the interface speaks your language while the timeline finally stops arriving in one you do not.