How to Fix iPhone Text Messages Not Sending?

Sumit Malik
19 Min Read

You’re trying to send a text, and it just won’t go through. Frustrating, right? Whether it’s an important update, a quick check-in, or just staying in touch, when your iPhone doesn’t cooperate, it feels like everything comes to a stop.

I’ve been there. Just last week, I needed to confirm a delivery, and my texts kept failing. Turns out, my phone had lost its signal without me even realizing. After a quick fix, everything was back to normal.

Don’t worry, most of the time, the issue is something small that’s easy to solve. Together, we’ll go through the simplest and fastest fixes to get your texts moving again.

No stress, no tech-speak—just real-world solutions. Let’s get started!

Why do text messages stop working?

Let’s break it down—there are a few common reasons your iPhone might not send text messages. And the good news? Most of them are quick to fix. Let me explain.

1. You may not have network on your cellphone

If you’re in an area with weak signal or no Wi-Fi, your iPhone simply can’t send texts. It’s like trying to make a call with no bars—nothing gets through.

For instance, if you’re traveling through a remote area or even in a basement, you might notice your texts failing.

So, always check the signal bars in the top-right corner of your screen. If they’re low or say “No Service,” move to a spot with better reception.

2 You may have wrong settings on your phone

This one’s sneaky. Your iPhone’s SMS or iMessage settings might not be configured correctly. Imagine you’re trying to text a friend who doesn’t use iMessage, but your phone is set to send only iMessages.

It’ll fail every time. Go into your Settings > Messages and make sure options like iMessage and Send as SMS are turned on. These settings ensure your phone can switch between message types depending on the situation.

turn on send a SMS iphone

3. You may need to restart your iPhone

Sometimes, technology just has its moments, doesn’t it? Maybe your phone froze up for no reason, or an app isn’t responding. These little hiccups can block your texts too.

For example, I once had my phone refusing to send any messages after a big software update—it just needed a restart to clear the glitch. When in doubt, try rebooting your iPhone; it works wonders more often than you’d think.

4. The recipient may have blocked you

Let’s not jump to conclusions, but yes, there’s a chance the person you’re texting has blocked your number.

If your texts always show “Not Delivered” or you never get a reply, this might be why. It’s not fun to think about, but it’s something to consider, especially if other people’s messages go through just fine.

Look for red Not Delivered warnings

5. You may have outdated software

Running an older version of iOS can cause unexpected issues, including text failures. Apple updates your iPhone’s software regularly to fix bugs and improve performance, so missing out can leave your device vulnerable to problems.

For example, if your phone is running an old iOS version, it might struggle with compatibility when sending messages to newer devices. Always check for updates to keep everything running smoothly.

How to fix iPhone text messages not sending

Let’s dive into the basics first. Most text message issues can be fixed with a few quick checks.

1. Check your connection

First of all. Your iPhone needs a solid network connection to send text messages. If you don’t have enough signal bars or your Wi-Fi is acting up, your message simply won’t go through.

Take a look at the top-right corner of your screen. Do you see “No Service” or very few bars? That’s likely the issue.

If you’re indoors, move closer to a window or step outside to improve your signal. On Wi-Fi? Double-check your router is working. You can also try toggling Airplane Mode on and off to refresh your connection.

2. Double-check the contact

Sometimes, it’s as simple as a typo. You might have entered the wrong phone number or email address, and your message isn’t reaching the right person. Open the conversation in your Messages app, tap on the contact at the top, and confirm the details are correct.

If you’re texting someone new, make sure you’ve saved their contact info properly. For example, I once copied a phone number from an email, but I missed one digit. The result? Every text I sent bounced back.

If you’re sure the number or email is correct, but texts still won’t send, it’s worth asking the recipient if they recently changed their contact details.

3. Look for red “Not Delivered” warnings

This one’s easy to spot. If your text doesn’t go through, you’ll see a red exclamation mark and the words “Not Delivered” under your message. This is your iPhone’s way of saying, “Hey, something went wrong.

Tap on the warning to see options. You can try sending the message again, or if it’s an iMessage issue, you can choose to Send as SMS. This option switches the message to a regular text, which often works when iMessage doesn’t.

For instance, I once tried sending an iMessage to a friend who had just switched to Android. The message failed until I tapped “Send as SMS.” After that, it went through without a problem.

Look for red Not Delivered warnings

4. Turn Airplane Mode on and off

This might sound too simple, but trust me—it works more often than you’d think. Turning on Airplane Mode temporarily disconnects your phone from all networks. When you turn it back off, your phone reconnects with a fresh network signal.

  • Swipe down from the top-right corner of your screen to open Control Center (or swipe up if you have an older iPhone).
  • Tap the airplane icon to enable Airplane Mode. Your phone will disconnect from Wi-Fi and cellular networks.
  • Wait about 10 seconds.
  • Tap the airplane icon again to turn it off.

swipe down homescreen then turn on airplane mode

Once your phone reconnects to the network, try sending your text again. This trick is especially helpful if you’re in a spot with weak signal, like an elevator or a busy area where the network might be congested.

5. Restart your iPhone

Sometimes, your phone just needs a quick restart to clear out temporary glitches. Think of it as a “refresh” button for your device. A restart can fix minor software bugs that might be blocking your messages.

  • Press and hold the power button (on newer models, you’ll need to hold the power button and one of the volume buttons) until you see the “Slide to Power Off” option.
  • Drag the slider to turn off your phone.
  • Wait for about 10 seconds, then press and hold the power button again until the Apple logo appears.

restart offical iphone

Once your phone is back on, try sending your text again. I’ve personally fixed countless little issues this way—it’s quick and surprisingly effective!

6. Check your iMessage and SMS settings

Your message settings might be the reason texts aren’t going through, especially if you’re switching between texting iPhone and non-iPhone users.

For example, iMessages (blue bubbles) use Apple’s system, while regular SMS texts (green bubbles) use your carrier’s network. If either setting is off, messages can fail.

  • Open Settings and Click on Apps.

click on settings and then click on apps in iphone settings

  • Scroll down to Messages.
  • Make sure iMessage is toggled on (green). This ensures you can send messages to other Apple devices.

click on messages then turn on iMessage

  • Also, check that Send as SMS is toggled on. This allows your iPhone to send regular text messages when iMessage isn’t available (like when you’re texting someone with an Android phone).

turn on send a SMS iphone

If these settings were off, turning them on should fix the problem immediately. Once you’ve made the changes, go back to your Messages app and try sending the text again.

7. Reset network settings

If your iPhone has trouble connecting to Wi-Fi or your cellular network, resetting your network settings can clear up any misconfigured or corrupted settings causing the problem.

Think of it as giving your phone a fresh start with its network connections.

When you reset network settings, all saved Wi-Fi networks and passwords are erased and cellular settings are refreshed. You may wonder, but Bluetooth connections are also reset.

So, let’s do it.

  • Open Settings on your iPhone.

click on settings xl phone xlll

  • Tap General.
  • Scroll down to Transfer or Reset iPhone.

click on general and then click on transfer or reset iphone in settings xll

  • Select Reset.
  • Choose Reset Network Settings.

tap on the reset then click on the reset network settings

  • Enter your passcode if prompted, then confirm the reset.

enter your passcode then confirm to reset network settings

After your phone restarts, reconnect to your Wi-Fi network by entering your Wi-Fi password again. Then try sending your text message.

8. Update your iOS

Outdated software can create compatibility issues with apps, services, and even your network. Apple regularly updates iOS to fix bugs and improve performance, so if you’re not running the latest version, that could be the culprit.

Updates often include fixes for glitches that could be blocking your text messages. Newer iOS versions are better optimized to work with the latest apps and services.

  • Open Settings on your iPhone.
  • Tap General.

go to general in iphone settings

  • Select Software Update.
  • If an update is available, tap Download and Install. Follow the on-screen prompts.

software update then update now

Make sure your phone is connected to Wi-Fi and has enough battery life (or plug it into a charger) before starting the update.

Once the update is complete, restart your iPhone and try sending your message again.

9. Turn iMessage off and back on

Sometimes, iMessage just needs a quick reset to get things working again. Toggling it off and back on refreshes the service and can fix minor glitches preventing your messages from sending.

  • Open Settings on your iPhone.
  • Click on Apps.

click on settings and then click on apps in iphone settings

  • Scroll down and tap Messages.
  • Find the iMessage toggle and switch it off (it will turn gray).
  • Wait a few seconds, then toggle it back on (it will turn green).

click on messages then turn off imessage

Sometimes, iMessage can lose its connection to Apple’s servers or get stuck in a weird state. Turning it off and on forces it to reconnect and start fresh.

After you toggle iMessage back on, give it a minute to activate before trying to send another text. You’ll see a message saying “Waiting for activation”, but it usually resolves itself quickly.

10. Reset all your iPhone settings

If nothing else has worked so far, resetting all settings is a great next step. Don’t worry—this won’t delete your apps, photos, or other data.

However, it will reset all your preferences, including Wi-Fi passwords, wallpaper, and app settings.

  • Open Settings on your iPhone.

click on settings xl phone xlll

  • Tap General and scroll down to Transfer or Reset iPhone.

click on general and then click on transfer or reset iphone in settings xll

  • Select Reset, then choose Reset All Settings.

click on reset and then reset all settings in iphone settings

  • Enter your passcode if prompted, then confirm the reset.

enter the code and confirm to reset all settings xll iphone

Your iPhone will restart, and all settings will return to their defaults. Afterward, you’ll need to reconnect to Wi-Fi networks and reapply any personal settings.

If there’s a misconfiguration or hidden conflict in your settings, this process clears it out completely. It’s like giving your iPhone a clean slate.

11. Call your carrier

Sometimes, the issue isn’t with your iPhone—it’s with your mobile carrier. Problems with your phone plan, such as a temporary service outage or account restrictions, can block your texts from going through.

You can call your carrier’s customer support line. You can usually find their number on their website or app.

Ask if there are any outages in your area or issues with your account. You should also confirm that your plan supports the type of messaging you’re trying to send (like MMS for pictures or international texts).

12. Visit Apple for help

If none of the fixes worked, there could be a deeper issue with your iPhone, like a hardware problem or complex software glitch. If your phone has any physical damage or if you’ve tried everything and still can’t get texts to send, it’s time to visit Apple.

Head to your nearest Apple Store or an authorized service provider. It’s best to schedule a Genius Bar appointment through the Apple Support app or website ahead of time. When you get there, just explain the issue and the steps you’ve already tried.

How to stop this from happening again

You know, no one likes dealing with texting issues, so let’s make sure this doesn’t happen again. These simple habits can prevent most problems before they start, saving you the frustration next time.

1. Keep your iPhone updated with the latest software

Apple regularly releases updates to fix bugs, improve performance, and keep everything running smoothly. If you skip these updates, your iPhone might run into compatibility problems—not just with text messaging, but with other apps and features too.

Imagine driving an old car that hasn’t been serviced in years. Eventually, something’s going to break down. The same applies to your iPhone’s software.

  • Open Settings.

click on settings xl phone xlll

  • Click on General > Software Update, and check if there’s an update available.

click on general then tap on software update

  • Turn on Automatic Updates to make sure your iPhone stays current without you needing to remember.

click on automatic updates then turn on

2. Clear out old messages and free up space regularly

Your iPhone’s storage can fill up quickly with apps, photos, and yes, even text messages. When your storage is full, your phone struggles to handle new data—including sending and receiving messages.

Think about it: Have you ever scrolled through your Messages app and found years-old group chats or dozens of videos you forgot about? Those take up space!

  • Go to Settings > General.

go to general in iphone settings

  • Click on iPhone Storage, and see how much space your Messages app is using.
  • Delete old conversations, especially ones with lots of photos or videos.

click on iphone storage then check the space

  • Turn on Message Auto-Delete: Go to Settings > Apps.

click on settings and then click on apps in iphone settings

  • Click on Messages > Keep Messages and choose 30 Days or 1 Year instead of Forever.

click on messages then tap on keep messages then choose one 30 days 1 year and forever

3. Use only Apple-approved cables and chargers

We’ve all been tempted to buy a cheap charging cable online or at a gas station, but these non-Apple-approved accessories can cause more harm than good. They might not deliver the right power to your phone, and worse, they can damage your iPhone’s hardware over time.

If you don’t know already, those Apple-certified cables (look for the “MFi” label) are designed to work perfectly with your iPhone. You can’t always get that quality with Off-brand cables. They might overheat, fail to charge properly, or even harm your phone’s battery.

The takeaway

When your text messages won’t send, it can be frustrating, but the good news is that it’s usually an easy fix. Most problems come down to simple issues like a weak connection, wrong settings, or a quick software glitch.

Start with the basics: Check your signal or Wi-Fi connection, restart your iPhone, and double-check your iMessage and SMS settings. These quick fixes solve most issues right away. If that doesn’t work, try resetting your network settings or updating your iOS.

Still stuck? Don’t stress. Help is always available. Your carrier can assist with network-related problems, and Apple’s experts are there for deeper hardware or software issues.

With these steps, you’ll get your texts back on track in no time. Remember, most issues are small and fixable—you’ve got this!

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I’m passionate about technology and digital marketing. I write about the latest tech trends, mobile apps, cloud computing, and business growth strategies. My goal is to make technology simple and accessible for everyone. I believe that with the right tools and knowledge, anyone can leverage tech to grow their business and improve their daily life. When I’m not writing, I’m testing out new gadgets, exploring software solutions, and sharing my findings with readers. My mission is simple: to help you understand tech better and use it to your advantage.
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