If you are an iOS user, you may have noticed that at some point your iPhone WhatsApp won’t open. When iPhone WhatsApp won’t open, you might miss some very important messages. No one would like to miss any important messages. This is why we have decided to help you eliminate the iPhone WhatsApp won’t open problem. In this article, you will find top solutions you can use to solve this annoying iOS WhatsApp issue.

1: Top 8 Ways to Fix WhatsApp Won’t Open on iPhone/iPad

1Restart iPhone/iPad

WhatsApp may fail to open on your iOS device simply because of an iOS bug. From our experience, restarting the device can fix this bug. Restarting an iOS device is easy. Follow the steps below:

iPhone X

Step 1: Press both your iPhone Side button and either volume up or down buttons. Hold the two buttons until a slider appears. Drag this slider to turn your iPhone X off.

Step 2: Press the side button after the device is off and keep holding it until an Apple logo appears.

restart iphone x

iPad, iPhone 8 and Below, or iPod Touch

Step 1: Press the side (or top) button until you see a slider. Drag that slider to turn your device off.

Step 2: Press and then keep holding the side (or top) button after your device is completely off until the Apple logo shows.

restart iphone

2Force Quit WhatsApp

Sometimes, your iOS WhatsApp may become unresponsive. To fix this issue, you need to force it to close. Here is how you can do it:

iPhone 8 and Earlier

Step 1: Double tap your Home button for you to see the apps you have used recently.

Step 2: Swipe either left or right until you locate WhatsApp. Swipe on WhatsApp’s preview to close it.

iPhone X

Step 1: From the device Home screen, swipe up and then pause.

Step 2: Swipe left or right to locate WhatsApp.

Step 3: Touch WhatsApp and then hold it. Tap the red minus sign (-) to close the app.


3Change Network on iPhone/iPad

There are occasions when iPhone WhatsApp won’t open because of a poor network connection. In such cases, all you need to do is to switch between Wi-Fi and mobile internet. Here is how you do it:

Step 1: From your screen bottom, swipe up to get the control center.

Step 2: Tap the Wi-Fi icon to disable it and then enable the Cellular icon.


4Reset Network Settings

If you switch between Wi-Fi and mobile internet and still your WhatsApp won’t open, you may need to reset the network settings. Follow the steps below to reset the network settings:

Step 1: Go to Settings and then tap General.

Step 2: At the menu bottom, tap Reset and then Reset Network Settings.

setting reset network

5Uninstall & Reinstall The Latest WhatsApp

WhatsApp itself may have a bug that is causing it not to open. To eliminate this bug, you will need to uninstall and reinstall WhatsApp by following the steps below:

Step 1: Tap and hold WhatsApp icon until the device vibrates. Your apps should begin to jiggle too.

Step 2: Tap the X icon and tap delete to Uninstall WhatsApp.

Step 3: Visit App store and locate the latest WhatsApp version. Download and install it.


6Erase All Content and Settings

If the above methods won’t fix the iPhone WhatsApp won’t open issue, you can restore factory settings on your iOS device. This should be a last resort. Follow the steps below to use this fix:

Step 1: Visit Settings, select General, tap on Reset, and then click Erase All Content and Settings.

Step 2: Enter your device passcode. Click Erase iPhone to confirm you want to reset your device.


7Fix WhatsApp Won't Open on iPhone/iPad via Third-Party Tool

A much better way you can use to fix the iPhone WhatsApp won’t open problem without data loss is through a third-party tool known as the iMyFone iOS System Recovery. To use this tool, you have to install it on your computer, launch it and then connect your device.

Step 1: Set the Device to Recovery/DFU Mode

To set the iPhone to DFU mode, tap Start. A countdown should start. Press and then hold the Wake/Sleep button and the iPhone Home button for 8-10 seconds. Release Wake/Sleep button but hold the Home button for 5 extra seconds.

 enter DFU mode under Standard mode

If the device fails to enter DFU mode, you can put it in Recovery mode. To do this, press and hold both the Home and Wake/Sleep buttons until a Connect to iTunes icon appears.

 enter Recovery mode under Standard mode

Step 2: Download Firmware. The iOS System Recovery tool should detect your device automatically and download the latest iOS version for it. Install it by clicking Download.

download firmware

Step 3: Fix your WhatsApp issue by clicking Start to Fix. Wait until the process is finished.

fixing ios issues

8Contact the Developer of WhatsApp

If everything we have included above fails, you may need to contact the WhatsApp developer for further help. To do this visit www.whatsapp.com/contact/ and select contact us under WhatsApp Messenger Support.

2: What Should I Do When WhatsApp Won’t Open on iDevice

Before fixing iPhone WhatsApp won’t open problem, it is important to back up your iPhone to avoid data loss. In case you lose any data, you can easily restore it if a backup is available.

Check Your iTunes Backup

To check whether you have a recent iTunes backup, follow the steps below:

On Mac

Step 1: Click the search icon in your menu bar and paste this: ~/Library/Application Support/MobileSync/Backup/.

Step 2: Tap Enter button.


On Windows PC

Step 1: Locate the search bar. For Windows 7, click Start. For Windows 8, tap the magnifying glass in the top-right corner. For Windows 10, the search bar is available next to the Start button.

Step 2: Enter %appdata% or %USERPROFILE% in the search bar and press Enter.

Step 3: Double Click Apple Computer, then MobileSync, and then Backup folders.


If you don’t have any backups, back up your iPhone on iTunes before continuing with the fixes.

Check Your iCloud Backup

You should check whether you have already stored the data you need on iCloud backup. Use the steps below to do this:

On iOS Device

For iOS 11: Visit Settings, tap [your name], then iCloud, Click Manage Storage, and then Backup.

For iOS 10.3: Open Settings, tap [your name], and then iCloud. Tap the iCloud usage graph and then click manage storage.

For iOS 10.2: Open Settings, tap iCloud, then Storage, and finally click Manage Storage.


On Mac:

Step 1: Select Apple Menu and then click Preferences.

Step 2: Click iCloud and then Manage. Select Backups.


On PC:

Step 1: Open iCloud for Windows and Click Storage.

Step 2: Select Backup.


If the data you want is not available on iCloud, back up your device on iCloud immediately.

Tip: View Your iTunes or iCloud Backup to Confirm

iTunes will not allow you to view the data present in your backup. Also, iCloud will not allow you to view all the data inside. However, you can use a third-party tool to view this data. The best third-party tool recommended here is iMyFone iTransor. This tool allows you to back up and restore WhatsApp, WeChat, and Messages separately. You get to back up all your iOS devices without overwriting your previous backups. You can restore your iCloud, iTunes, or iMyFone Backup selectively using iMyFone iTransor. You also get to extract 20+ data types from backup files and iOS.

View All iTunes Backup Data using iMyFone iTransor

Step 1: Install and launch iMyFone iTransor on your PC or Mac.

Step 2: Choose Extract Data from Backup, choose the iTunes backup to view and then click Next. Enter a Password if it's required. iMyFone iTransor will scan your backups. 

extract data from iTunes backup

Step 3: After the scan, you should see all your backup data. Choose the files you want and click Extract to export them to your Computer. You can view the data on your computer.

successfully extract data from iTunes backup

Try It FreeTry It Free

View All iCloud Backup Data Using iMyFone iTransor

Step 1: Choose Download iCloud Backup from the Extract Data from Backup tab. Log into iCloud.

log in iCloud account

Step 2: Choose the Backup to extract and click next to download it.

select one iCloud backup

Step 3: After the scan is complete, you can preview your data and then select the items to export. Click Extract to save the data on your computer where you can view it.

successfully extract data from iCloud backup

Try It FreeTry It Free


The methods listed in this article should help you fix the iPhone WhatsApp won’t open problem. The best way we recommend to you is iMyFone Fixppo. The issue can be solved in a few steps. If you have any comments, leave yours below.