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iPhone Not Sending Messages after Upgrading to iOS 11/12by  Joan J. Mims  |  Tuesday September-18 2018  13:34:12

“I have recently encountered this problem. Quite a few times, when i want to send a text message, it will not go through and a red exclamation mark is shown beside the message. When i go to my message inbox, it states "message send failure”

You must feel the same pain as the people above if you are reading this post. Actually, there exist a great many of bugs to iPhone messages after the new release of iOS 12. According to the emails we received from users, what they mentioned most is being unable to send messages. This message issue can be caused by multiple factors while it can also be fixed by pretty simple methods. Keep reading to learn the potential fixes for this bug.

Tip 1. Enable SMS Sending from Settings

When you found that your iPhone failed to send messages, do some checks is necessary before you take other measure. It’s easy and time-saving.

Go to Settings-Message on iPhone, here you would find the option of “Send as SMS”, just turn it off for nearly 10 seconds then turned it on again.

Note: If you disable “Send as SMS”, you are only allowed to send iMessages which will not be delivered to Android or Windows phone users.

Tip 2. Check the Recipient’s Number

Any minor error of the recipient’s number will cause the failure sending of messages. Check the recipient’s phone number to make sure that you have sent it to the right and valid user.

Tip 3. Check the Date and Time Settings of iPhone

The messages will not be successfully sent if the date and time are not set correctly. Click on Settings option and go to General- Date & Time to enable “Set Automatically slider”.

Tip 4. Reset Network Settings

As a common method, reset network settings can fix numerous bugs of iPhone including the message send failure issue. Below you’ll find how to reset network settings.

1. Tap on "General" on Settings.

2. Scroll down to click “Reset.

3. Here you would find 6 options, just select "Reset Network Settings”.

4. Enter the screen passcode you set before to confirm. It will erase all network settings, restore them to factory reset.

reset network settings

Tip 5. Fix Messages Send Failure in iOS 11 Without Data Loss

You will need to check the iOS system issue if the messages are still not saying delivered. The iOS system issues will also lead to the message problem. When it come to fixing iOS system issues, iOS System Recovery is recommended. This amazing tool has helped most Apple users repair various software issues, such as black screen of death, cellular data not working, iPhone keeps restarting, etc. What makes it acceptable is that the data will not be affected during the repair process. You can download the windows or Mac version of this software and follow the steps below to fix the message issue.

    

Step 1. Launch the iOS System Recovery on your win or Mac, select ‘iOS System Recovery’ from the main penal.

select ios system recovery

Step 2. Attach your iPhone to computer and click on ‘Start’, your iPhone will be detected to be in abnormal, check the iPhone information or manually select the right information and click ‘Repair’ to start the repair process.

fix ios system

It will run for a while, after the process, your iPhone will restart and you can check whether this problem has been fixed.

Tip 6. Contact Apple

If the bug still exists even after the use of iOS System Recovery, it’s better to contact Apple to avoid worse result. Go to the local Apple store to head your iPhone to Apple expert for more technical support. Keep in mind to back up your iPhone in advance in case of any data loss.