Short answer: X has no dictation of its own; the mic key belongs to the iOS keyboard. Toggle Enable Dictation off and on in Settings, check Screen Time restrictions, verify your keyboard language, disconnect AirPods, and update iOS. If it still fails, switch to a keyboard with built-in dictation.
You open the X app to reply to a post, tap the microphone key on the keyboard, and nothing happens. Or the mic key is missing entirely. Or dictation starts, hears three words, and quits before you finish the sentence. Whatever the exact symptom, the frustration is the same: everyone else is firing off replies while you are hunting for a mic button that will not cooperate.
Here is the thing most people miss: the X app does not have its own dictation feature for text. The microphone key on the keyboard belongs to iOS, not to X. That is actually good news, because it means almost every fix happens in the Settings app, not inside X. It also means that when dictation breaks in X, it is usually broken everywhere else too; you just noticed it in X first because that is where you type in short, frequent bursts.
Below are nine fixes, ordered from most likely to least likely to solve the problem. Work through them in order and dictation should be back before you reach the bottom. At the end, we cover the quirks that are genuinely specific to X: dictating handles and hashtags, the compose box, and the difference between text dictation and X's audio features.
First, Understand What Is Actually Broken
When you tap into a reply or a new post in X, iOS brings up the system keyboard. The small microphone key (bottom of the keyboard, next to the space bar or in the lower corner) triggers Apple's dictation service. X simply receives the text that the keyboard produces, the same way it receives characters when you type.
Two useful consequences follow from this:
- X does not need microphone permission for keyboard dictation. The mic permission you may have granted or denied X is for the app's own audio features, like recording video or joining live audio. Keyboard dictation runs at the system level, so denying X the microphone does not disable dictation, and granting it will not fix dictation.
- If dictation is broken in X, test it in Notes. Open Apple Notes, tap the mic key, and speak. If it fails there too, the problem is system-wide and the fixes below will address it. If it works in Notes but not in X, skip ahead to the X-specific section.
Fix 1: Confirm Dictation Is Enabled
If the microphone key is missing from your keyboard entirely, dictation is probably switched off.
- Open Settings → General → Keyboard.
- Scroll down to Enable Dictation and make sure it is on.
- If it is off, turn it on and confirm the prompt that appears.
Go back to X, tap into a reply, and check whether the mic key has returned. This sounds too obvious to be a real fix, but dictation gets silently disabled more often than you would expect: after some iOS updates, after restoring from a backup, or by a family member poking around in Settings.
Fix 2: Toggle Dictation Off and Back On
If the mic key is present but taps do nothing, or dictation starts and produces no text, the dictation assets on your phone may be in a bad state. Toggling the feature forces iOS to tear it down and set it back up:
- Go to Settings → General → Keyboard.
- Turn Enable Dictation off. Confirm when iOS asks.
- Restart your iPhone. This step matters; do not skip it.
- Turn Enable Dictation back on.
On recent iPhones, dictation for supported languages runs on the device, and the language files occasionally need to be re-fetched. The off-restart-on cycle prompts iOS to redownload anything that is missing or corrupted. Give it a few minutes on Wi-Fi after re-enabling before you judge the result.
Fix 3: Check Your Keyboard Language
Dictation follows the language of the active keyboard. If you have multiple keyboards installed (say, English and Spanish) and the wrong one is active when you tap the mic, dictation will try to transcribe your English speech as Spanish and produce gibberish, or in some cases refuse to start if that language's dictation assets are not downloaded.
- In X, tap into a text field, then press and hold the globe key on the keyboard to see which keyboard is active.
- Switch to the keyboard that matches the language you intend to speak.
- To prune unused keyboards: Settings → General → Keyboard → Keyboards, then Edit and delete the ones you never use.
This one bites bilingual users constantly, because the globe key sits right where your thumb rests and gets tapped by accident mid-conversation.
Fix 4: Look for Screen Time Restrictions
Screen Time can block dictation at the system level, and the setting is buried deep enough that people forget it exists. This is common on phones set up by a parent, an employer, or a past version of yourself trying to reduce distractions.
- Open Settings → Screen Time → Content & Privacy Restrictions.
- If restrictions are on, look through the allowed features and make sure Siri & Dictation is permitted.
- If your phone is managed by a school or workplace, this may be locked by policy; ask your administrator.
Fix 5: Test the Microphone Itself
If dictation starts but transcribes nothing, or produces wildly wrong text, verify the hardware before blaming the software. Open Voice Memos and record ten seconds of speech at a normal volume. Play it back.
- Recording is clear: the mic is fine; return to the software fixes.
- Recording is muffled or silent: check for a case, screen protector, or debris covering the mic openings. Clean gently with a dry, soft brush. A pocket-lint-clogged mic is a surprisingly common culprit.
Fix 6: Disconnect AirPods and Bluetooth Devices
When AirPods or another Bluetooth headset are connected, iOS may route dictation input through that device's microphone. If the earbuds are in their case but still technically connected, or sitting in another room, dictation listens to a microphone that cannot hear you and returns nothing.
Swipe into Control Center, tap the audio output selector, and switch back to iPhone. Better yet, temporarily turn Bluetooth off and try dictating in X again. If dictation only fails when your earbuds are connected, our guide to fixing iPhone dictation with AirPods covers that scenario in detail.
Fix 7: Update iOS and the X App
Dictation bugs come and go with iOS releases, and X ships app updates at a rapid pace, some of which have historically caused text-field quirks. Two minutes of updating rules both out:
- Settings → General → Software Update. Install anything pending.
- Open the App Store, search for X, and update if a newer version exists.
- Restart the phone after updating.
If the problem began immediately after an iOS update, you are probably not alone; these regressions tend to be fixed in the next point release. Our general guide to iPhone dictation not working tracks the fixes that apply across every app, not just X.
Fix 8: Reset the Keyboard Dictionary
The keyboard dictionary stores the words iOS has learned from your typing. When it becomes corrupted, symptoms range from bizarre autocorrect behavior to dictation that inserts strange words or stalls. Resetting it is safe; you lose only the custom words the keyboard has learned, not your data.
- Go to Settings → General → Transfer or Reset iPhone → Reset.
- Choose Reset Keyboard Dictionary and enter your passcode.
This is the last resort among the system fixes because the cost (relearning your vocabulary) is real, but it resolves a class of stubborn dictation failures that nothing else touches.
Fix 9: Use a Keyboard With Dictation Built In
Everything above repairs Apple's dictation. The alternative is to stop depending on it. iOS lets you install third-party keyboards, and a keyboard that carries its own dictation engine keeps working even when the system dictation service is having a bad week.
Voice Keyboard Pro is a custom iPhone keyboard with a built-in mic button for dictation in any iOS app, including X. Tap the mic, talk, and watch the text land in the compose box. Because the transcription runs through Voice Keyboard Pro's own engine rather than the system dictation service, the failure modes described in this article simply do not apply. It also handles long, natural speech without the abrupt cutoffs that Apple's dictation is known for, so you can speak an entire reply, thread post, or DM in one go.
Three features are particularly useful for X:
- Voice Edit. Dictated a reply and want to change it before posting? Speak the change ("make the second sentence shorter", "change tomorrow to Friday") and the text updates. No thumb-surgery with the cursor in a cramped compose box.
- Two-way translation. X is a global platform. Voice Keyboard Pro translates while you dictate across 24 languages, so you can speak in English and post a reply in Spanish, or vice versa.
- Swipe typing. For the moments you cannot talk (a meeting, a bus), the same keyboard supports swipe typing, so you are not constantly switching keyboards.
The free tier has daily limits that comfortably cover casual posting; Pro is $4.99/mo or $34.99/year. If dictation fails for you in other apps too, our guide to iPhone dictation in third-party apps explains why some apps misbehave more than others.
The X-Specific Gotchas
If dictation works in Notes but stumbles in X, one of these is usually the reason.
The compose box and lost focus
X's compose view sits on top of a live, scrolling timeline. If the timeline refreshes or you brush the screen while dictating, the text field can lose focus, and when focus goes, dictation ends with it. Symptoms: dictation stops mid-sentence for no apparent reason, or your first words vanish. The workaround is boring but effective: open the full-screen composer (the compose button, rather than the inline "Post your reply" field), let the keyboard fully appear, then start dictating, and keep your other thumb off the screen.
Handles and hashtags
Dictation is built for dictionary words, and X's vocabulary is anything but. A handle like @davewiner or a compound hashtag will usually come out as separate lowercase words. Practical approaches:
- Dictate the sentence naturally, then type the @ and let X's own autocomplete find the account. Dictating a handle letter-by-letter is slower than tapping it.
- For hashtags you use often, a keyboard with a personal dictionary helps: Voice Keyboard Pro's replacement rules can expand a spoken phrase into your exact tag, capitalization included.
Text dictation vs. X's audio features
Do not confuse the keyboard mic with X's own audio: voice messages in DMs, audio in Spaces, and video sound all use X's recording features and X's microphone permission. If those are broken, check Settings → Apps → X and make sure Microphone is allowed. That toggle affects X's audio features only; keyboard dictation neither needs it nor benefits from it.
The in-app browser
Links opened inside X use an in-app browser, and text fields on those web pages sometimes handle the keyboard clumsily. If dictation misbehaves on a page you opened from X, tap the share icon and open the page in Safari instead; the same field will usually behave normally there.
Still Broken? The Checklist
Run down this list once more, in order:
- Enable Dictation is on (Settings → General → Keyboard).
- Toggled off, restarted, toggled on.
- Active keyboard language matches the language you are speaking.
- Screen Time is not restricting Siri & Dictation.
- Microphone passes the Voice Memos test.
- Bluetooth devices disconnected.
- iOS and the X app are current.
- Keyboard dictionary reset.
- Tried a keyboard with its own dictation.
If items one through eight are all clean and Apple dictation still fails only in X, delete and reinstall the X app (your account and data live on X's servers, so nothing is lost). And if system dictation fails everywhere despite everything above, item nine stops being a workaround and becomes the fix: a keyboard that brings its own transcription is immune to the system service's moods. Battery-saver settings can also play a role; see our guide to dictation in Low Power Mode if the failures correlate with a low battery.
Whichever route you take, the goal is the same: tap into a reply, speak at the 130-150 words per minute you naturally talk, and post. Your thumbs will not miss the typing.
The words land at your cursor in whatever app you are already in — Mail, Slack, Word, a browser form. No dictation window, nothing to copy across.
Free forever for casual use · Apple Silicon & Intel