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WhatsApp Not Sending Messages on iPhone? Fixed!

Posted by Brian Davis on Jul 8, 2021 17:13 PM • Category: iOS & iPhone Tips
6 mins read

With a history of 12 or so years, WhatsApp has a wide range of users all over the world nowadays. As a text and voice messaging provider, it gains popularity among both iOS and Android users, enabling them to send not only text messages, but also documents, photos, and voices calls. It is believed that users who utilize the application to get in touch with others largely rely on it. As such, if some errors are found in the app, we can imagine how uneasy the users will be. The WhatsApp not opening issue is one part, while the app can't send messages error is also the real situation. Here, the second problem is what we are going to talk about in this tutorial. If you are being baffled by the WhatsApp messages not sending on iPhone issue, try reading the solutions in the following parts.

iphone whatsapp not sending messages

Why Is My WhatsApp Not Sending Messages?

Poor internet connection: Just like the video streaming platform YouTube, running WhatsApp also requires good Wi-Fi or cellular data. It is obvious that WhatsApp won’t send messages smoothly without the internet.

The blocking action by other contacts: Sometimes, the one you are messaging blocks your number. In this case, the messages cannot be sent to his or her number.

Unfinished verification process: Before correctly using WhatsApp, you need to verify your phone number. So if the verification is to be done, the process may be an obstacle.

Wrong number format: When you falsely save the number of the one you are messaging, you may also fail to send messages to others.

How to Fix WhatsApp Not Sending Messages on iPhone?

Method 1: Ensure network works

The first thing you can do is checking the network connection, as it is a factor associated with the failed messaging issue. To do this, go to Settings > Wi-Fi or Cellular Data. Firstly, check the Wi-Fi option. But if you are using the cellular data, try reviewing the data. If all the options are well, try to turn off and on both Wi-Fi and cellular data. Then, choose to use a new network.

iphone internet connection

Method 2: Close the app

Often, the network is connected well, so the first way may not work. If so, try closing the app for a while to solve the WhatsApp messages not sending issue. The following is how to force quit the app on your iPhone.

Step 1: Open the app switcher on your iPhone by double-pressing the Home button or swiping up from the bottom of the screen. Then, all apps running will be shown.

Step 2: Preview the apps by swiping right or left and find the WhatsApp icon. Next, swipe up the app card to close the app.

close app

Method 3: Reboot your iPhone

Most people indeed tend to power off the device for minutes when facing abnormal iPhones. So try letting your iPhone relax for a while and turn it on later to fix the WhatsApp not sending messages on iPhone error. To restart your iPhone, refer to the following steps.

For iPhone X or later models: Press and hold the volume down or up button and the power button together before the power off slider appears. Then, drag the slider to power off the device. Wait for a while, and then press the power button to make the device is on.

For other models: Press and hold the power button until the power off slider occurs. Then, follow the same steps described before.

restart iphone

Method 4: Update the app

In addition, the latest version can fix some bugs in apps. So try checking the version the WhatsApp and upgrade it, if possible, to improve the possibility of fixing the WhatsApp not sending on iPhone issue.

Go to the Apple Store app, and find the WhatsApp app. On the pop-up page, tap the Update button if there is such a button.

update whatsapp

Method 5: Turn off low data mode

As we know, low data mode is used to decrease your data consumption. Therefore, when you are using WhatsApp, try to disable the option which may prevent WhatsApp from functioning well.

To do this, go to Settings > Cellular (or Cellular Data). After tapping the option, you will see the Low Data Mode button. Last, turn off the button to make it look grey.

low data mode

Method 6: Fix iPhone via iOS repair tool

In this part, we are going to introduce a powerful tool when all the ways described do not work and the issue gets severe. In some conditions, the failed messaging error is caused by the iPhone system bugs. Facing the problem, you can use an iOS system recovery tool. Among all similar tools, TunesKit iOS System Recovery is your choice all time.

TunesKit iOS System Recovery is the top-notch desktop software for repair, supporting both Windows and Mac. It can solve over 50 iOS-related issues like WhatsApp notifications not working, iPhone black screen, screen frozen, etc. To fix the WhatsApp not sending messages on iPhone, it will not require too much time, but only minutes. Without going outside, it is easy to fix iPhone, iPad, iPod and Apple TV issues within clicks and without data loss. Moreover, it can help you downgrade iOS and enter or exit recovery mode with only one click.

tuneskit ios system recovery

Characteristics of TunesKit iOS System Recovery:

  • Fix WhatsApp can't send messages on iPhone without data loss
  • Repair different tvOS/iOS issues by yourself
  • Provide Standard Mode and Advanced Mode
  • Easy to use with friendly interface
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Now, there is a full guide on how to use TunesKit to resolve the WhatsApp messaging error.

Step 1: With a USB, connect the iPhone to your computer. Then launch TunesKit to wait for the program to detect your device. After this, click the Start button.

connect iphone to pc

Step 2: Now, choose a repair mode. The Standard Mode is highly recommended. After choosing, click the Next button.

select repair mode

Step 3: Last, the firmware package should be downloaded. Before downloading, you can check the device info. Then, click the Download option to begin the process. After the firmware is ready, click the Repair option to get out of the WhatsApp messages not sending on iPhone issue.

download firmware and fix iphone

Method 7: Reset all settings

It is said that resetting all settings on iPhone also does good. To do a reset, your iPhone will not be erased, unlike resetting all content and settings. To do this, go to Settings > General > Reset > Reset All Settings. The device may ask you to confirm the action and then tap Reset All Settings again. After this, go back to WhatsApp and check if the app can send messages.

reset all settings

Method 8: Reinstall the app

If you try all things, you have nothing but to delete and reinstall the app. However, deleting the app means that the app will be erased at the same time. To do this, find the app on the home screen, and then press the app until the x occurs. Tap x to delete the app. To reinstall it, go to Apple Store. After this, go to the app again to check if the WhatsApp not sending messages issue can be fixed.

delete and reinstall whatsapp


You cannot enjoy the WhatsApp application properly, whenever you face WhatsApp not sending messages on iPhone. But you can get rid of the issue quickly taking the 8 measures discussed. Try them, and you will stop experiencing the issue.

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