Turn Twitter Black in 2026: iPhone, Android and Web

To turn Twitter black in September 2026: on iPhone, tap your profile picture, open Settings and privacy, then Accessibility, display and languages, then Display and sound, switch on Dark mode and pick Lights out. Android follows the same path. On the web only two themes are left, light and black. If the option vanished, your app is following your phone’s theme instead. Every step is below, and if you also want the account itself to get noticed, take a look at our X (Twitter) followers.

What changed in 2026 and why your option vanished

If you landed here because a tutorial described a menu you cannot find, nothing is wrong with you. The setting moved twice this year, and almost none of the pages ranking for it have been updated.

On 12 February 2026, X pulled the Dim theme from the web version. That dark navy background had been around since 2016, first under the name Night mode. Since then, x.com offers two backgrounds only: light, and the pure black of Lights out.

On 4 and 5 March came the bigger hit. An update removed the theme picker from the iPhone and Android apps entirely. The app simply mirrored the operating system theme. Nikita Bier, X’s head of product, said an app-level control “made no sense” and pointed out that TikTok and YouTube already work that way. Millions of people opened X that morning to a white background nobody asked for.

The backlash was loud enough that X restored the manual toggle on iOS on 12 March. Bier summed the episode up by resharing a post that read “we all make mistakes”. On Android, behaviour depends on the build you have installed: many kept the menu, others are still tied to the system theme. On the web, Dim never came back.

Where things stand on 10 September 2026: both dark themes still exist, but not everywhere, and following the phone’s theme has become the default on mobile.

Turn Twitter black on iPhone

With an app updated after 12 March 2026, the picker is back where it belongs. Here are the steps:

1. Open the X app and tap your profile picture in the top left.
2. Scroll down to Settings and privacy.
3. Open Accessibility, display and languages.
4. Tap Display and sound.
5. Turn on the Dark mode switch.
6. Under Dark mode appearance, choose Dim (very dark blue) or Lights out (full black).

One shortcut almost nobody uses: in the side menu, the light bulb icon jumps straight to the theme controls without the three submenus.

@elprofgamer

Switching the X (Twitter) background to dark.

♬ Bulls**t – Maniak-B

If there is no Dark mode switch in that menu at all, your app is stuck on the early March build. Update it from the App Store, or skip ahead to the section on following your phone’s theme.

Turn Twitter black on Android

The route matches the iPhone one, with a caveat: the March reversal was announced for iOS. On Android, check first that your build still has the menu.

1. Open X and tap your profile picture in the top left.
2. Tap Settings and privacy.
3. Open Accessibility, display and languages.
4. Tap Display and sound.
5. Turn on Dark mode and pick whichever appearance your build offers.

If that submenu is gone on your phone, X’s theme depends on the system. Go to Android Settings, then Display, and switch on Dark theme or Dark mode depending on the manufacturer. On Samsung it is Settings, Display, Dark mode. X turns black the next time you open it.

Turn X black on a computer

On x.com the menu has not moved, but the list of themes got shorter.

1. Sign in at x.com.
2. In the left column, click More.
3. Choose Display. You can also get there through Settings and privacy, Accessibility, display and languages, Display.
4. Under Background, click Lights out.

The same panel holds the accent colour and the font size. The Dim background has been gone since 12 February 2026: if your tutorial mentions three swatches and you can only see two, that is why.

The setting is saved to your account rather than your browser, so it follows you to any computer you sign in on. In a private window with no session, X falls back to your system theme.

Dim or Lights out: which one to pick

Dim uses a very dark navy. It is the easier one for long reading sessions, because the contrast with white text is lower and tires the eyes less. It survives only on mobile, and only on some builds.

Lights out is pure black, the famous #000000. On an OLED or AMOLED screen, black pixels genuinely switch off, so battery drain drops. On a regular LCD panel there is no saving at all, just a different look. It is the only dark background left on the web.

Simple rule: OLED phone and evening reading, take Lights out. Daytime indoor reading, Dim is kinder when you still have it.

@noas_husband

A quick look at dark mode switched on in Twitter.

♬ sonido original

Letting X follow your phone’s theme

This is the part no older guide explains, and it accounts for half the complaints of 2026. Since March, the app’s default behaviour is to mirror the system theme. Even with the manual picker back on iOS, the option to let the phone decide is still there.

On iPhone: Settings, Display & Brightness, then tap Dark. Turn on Automatic and the iPhone flips at sunset with X following along.

On Android: Settings, Display, Dark theme. Most manufacturers let you schedule it.

The upside is that you stop configuring apps one by one. The downside is that you cannot have X in black while the rest of the phone stays light. On iPhone, anyone set on that mix can build a Shortcuts automation that switches the system appearance when X opens and restores it on close. It works, but it is a workaround.

On a computer the browser also decides while you are signed out, since X respects the system colour preference. Once you sign in, your saved account setting wins.

Dark mode is missing: what to do

No Display and sound section. Your app is on a build without the picker. Update it and use the system theme in the meantime.

Only two themes on desktop. Normal since February 2026. Dim no longer exists on the web and no official trick brings it back. Third-party extensions imitate it, with the usual risk of handing a stranger access to your session.

The app keeps going white on its own. Almost always an update that re-enabled system following. Set the phone to dark and it stops.

Black background but some screens stay light. A few newer screens inherit the theme late. Close the app fully and reopen it.

None of this has anything to do with your account or your subscription. And if what you really want is for your profile to get noticed, the background colour matters far less than the number under your name: our followers for X (Twitter) are delivered gradually and never ask for your password.