WhatsApp Not Sending Messages on iPhone? Fixed!

WhatsApp is an essential tool for daily communication. It's incredibly frustrating when your chats suddenly stop working. Whether you are trying to share important documents, send voice notes, or simply connect with friends, watching your texts get stuck on a clock icon can be highly stressful. If you are experiencing the WhatsApp not sending messages on iPhone issue, you are certainly not alone.

Fortunately, this common glitch is usually easy to fix without needing advanced technical skills. We have compiled a list of the most effective troubleshooting methods to quickly restore your app's connection.

Why Are My WhatsApp Messages Not Delivering?

There are several reasons why your WhatsApp messages are not delivering. Below are some of the most common causes:

• 01 Poor internet connection: WhatsApp requires a stable Wi-Fi or cellular connection to send messages. If your network is weak or unstable, messages may fail to send.
• 02 Blocked by the recipient: If the person you are messaging has blocked your number, your messages won't be delivered.
• 03 Incomplete verification: You must verify your phone number before using WhatsApp properly. An unfinished verification process may prevent messages from being sent.
• 04 Incorrect phone number format: If the recipient's phone number is saved incorrectly or missing the country code, message delivery may fail.

9 Common Ways to Fix WhatsApp Not Sending Messages on iPhone

Here are some other possible solutions that may help you solve the WhatsApp messages not delivered issue. You can try them one by one.

Method 1: Check Your Network Connection

The most common culprit for messaging failures is a weak or unstable internet connection. WhatsApp requires a consistent network to deliver text and media files. If your current network is acting up, toggling your connections or switching to a new one can quickly resolve the issue.

• Step 1. Go to Settings > WLAN or Settings > Cellular on your iPhone.
• Step 2. Turn off the active connection, wait a few seconds, and turn it back on.
• Step 3. If the issue persists, try switching from Wi-Fi to Cellular data, or connect to a completely different Wi-Fi network.
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Method 2: Toggle Airplane Mode

Toggling Airplane Mode acts as a quick, soft reset for your iPhone's cellular and Wi-Fi radios. It forces the device to disconnect from all networks and establish a fresh connection with local cell towers and routers.

• Step 1. Swipe down from the top-right corner of your screen to open the Control Center (or swipe up from the bottom on older iPhones).
• Step 2. Tap the Airplane Mode icon to turn it on.
• Step 3. Wait about 10 to 15 seconds, then tap it again to disable it and let your phone reconnect to the network.
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Method 3: Force Quit and Restart WhatsApp

Sometimes, the app itself freezes or experiences a temporary background glitch. Force quitting WhatsApp completely clears its active session from your device's short-term memory.

• Step 1. Swipe up from the bottom of your screen and pause in the middle to open the App Switcher (or double-press the Home button on older models).
• Step 2. Swipe left or right to locate the WhatsApp preview card.
• Step 3. Swipe up on the WhatsApp card to force close it, then return to your home screen and reopen the app.
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Method 4: Restart Your iPhone

If a background system error is preventing WhatsApp from sending messages, a simple device reboot is often the best medicine. Restarting your iPhone clears system caches and resolves minor software conflicts.

• Step 1. For iPhone X and newer: Press and hold the Side button and either Volume button until the power-off slider appears. For older models: Press and hold the Top or Side power button.
• Step 2. Drag the slider to the right to turn off your device completely.
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• Step 3. Wait about 30 seconds, then press and hold the power button until the Apple logo appears on the screen.

Method 5: Update WhatsApp to the Latest Version

Outdated app versions can harbor bugs that disrupt message delivery. Developers frequently release patches to fix these exact connectivity issues.

• Step 1. Open the App Store on your iPhone and tap your profile picture in the top-right corner.
• Step 2. Scroll down to see pending updates and release notes.
• Step 3. Find WhatsApp in the list and tap the "UPDATE" button next to it.
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Method 6: Disable Low Data Mode

Low Data Mode is designed to reduce background data usage, but it can aggressively restrict WhatsApp from sending media or syncing messages. Disabling this feature ensures WhatsApp has unrestricted access to the internet.

• Step 1. For Cellular: Go to Settings > Cellular > Cellular Data Options and turn off "Low Data Mode".
• Step 2. For Wi-Fi: Go to Settings > WLAN and tap the "i" icon next to your connected network.
• Step 3. Toggle off the "Low Data Mode" switch.
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Method 7: Reset Network Settings

Instead of resetting all your device settings (which affects your display, sounds, and notifications), you should target the network configurations. This action clears saved Wi-Fi passwords, Bluetooth connections, and cellular preferences, often resolving deep-rooted connectivity bugs.

• Step 1. Navigate to Settings > General and scroll down to the bottom.
• Step 2. Tap "Transfer or Reset iPhone", then select "Reset".
• Step 3. Choose "Reset Network Settings", enter your passcode, and confirm the action.
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Method 8: Reinstall WhatsApp (With Backup)

If the app installation files are corrupted, a fresh install might be your only option. However, deleting the app will wipe your chat history if it is not backed up beforehand.

• Step 1. Open WhatsApp and go to Settings > Chats > Chat Backup. Tap "Back Up Now" to save your messages to iCloud.
• Step 2. Go to your iPhone's home screen, press and hold the WhatsApp icon, and select "Remove App" followed by "Delete App".
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• Step 3. Open the App Store, search for WhatsApp, reinstall it, and follow the on-screen prompts to restore your chat history from back up.

Method 9: Update iOS

If there are some bugs in your iPhone's operating system, you may encounter WhatsApp messages not delivered issue. Apple will fix their system from time to time, so make sure your iOS is up to date. Here is the step-by-step guide to update the iOS.

• Step 1. Open Settings on your iPhone, and then navigate to General, then tap Software Update.
• Step 2. Wait a moment for your device to check Apple's servers for available updates.
• Step 3. If an update is available, tap the Update Now button, enter your passcode, and let your device complete the installation process.
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The Most Efficient Way to Fix WhatsApp Not Sending Messages

In this part, we are going to introduce a powerful tool to fix the severe issue effectively. 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. It is the top-notch desktop software for repair, supporting both Windows and Mac.

It can solve over 150 iOS-related issues like WhatsApp notifications not working, iPhone black screen, screen frozen, etc. To fix the messages not sending on WhatsApp issue, it will not require too much time, but only minutes. Without going outside, it is easy to fix iPhone, iPad, and iPod touch issues within clicks and without data loss. Moreover, it can help you downgrade iOS and enter or exit recovery mode for free with only one click.

Now, there is a full guide on how to use TunesKit to resolve the WhatsApp messaging error.

Step 1Connect iPhone to PC

With a USB, connect the iPhone to your computer. Then launch TunesKit to wait for the program to detect your device. After this, choose iOS System Repair option. Then click the Start button to move to the next step.

Step 2Choose a Mode

Now, choose a repair mode. The Standard Repair is highly recommended. It will help you solve the WhatsApp issue without losing any data.

Step 3Repair WhatsApp Not Sending Messages

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 Start Standard Repair option to get out of the WhatsApp messages not sending on iPhone issue.

Back up WhatsApp Messages to Avoid Data Loss

WhatsApp is absolutely a good way to communicate with others in life and work. However, it always happens that WhatsApp not sending or receiving messages. If you can't use the app as usual, you may lose some important messages. To avoid data loss, I'd suggest you to back up your WhatsApp messages regularly. Compared with iCloud's limited storage space, you can choose to back them up to your desktop instead.

TunesKit WhatsApp Transfer is such a useful tool to help you back up your WhatsApp chats to the computer. It supports more than 10 types of WhatsApp data including chat history, videos, images, emojis, and attachments, etc. Besides backup, TunesKit WhatsApp Transfer can also help you transfer, restore and export WhatsApp data on any iOS device. Now follow the quick steps below to back up your WhatsApp messages with TunesKit WhatsApp Transfer:

• Step 1. Download and install TunesKit WhatsApp Transfer on your computer. Then connect your device to the computer via a USB cable.
• Step 2. After your iPhone is detected successfully. Click the Backup mode on the left sidebar. Next, click the Start Backup button. Then TunesKit will start to back up your WhatsApp data.
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Summary

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 10 measures discussed. Try them, and you will stop experiencing the issue. TunesKit iOS System Recovery is highly recommended here as it can help you solve 150+ iOS-related problems without data loss. The interface is clear and simple and anyone can easily handle it. Hope you can enjoy using WhatsApp and don't forget to back up your WhatsApp data regularly.