How to Resolve iPhone Not Displaying Incoming Messages

Despite the default messaging center number being set on your device, it's possible that for some reason, this messaging center number has been changed without your knowledge.

The recommended messaging center number to use is:

+ For

:

Connect with me via network

Connect via network

or

Firstly, check your current message center by dialing:

and press call. You'll receive a message “Setting Interrogation Succeeded Service Center Address +84xxxxxxx”. In this message, the number “+84xxxxxxx” is your message center number.

After getting the message center number, compare it with the one displayed on your phone. If it's different, delete this center by typing:

and press Call. Finally, reset your message center again by using the keypad: **50057672+84xxxxxxx#

- From Settings, select General, then tap Reset.

- Choose Reset Network Settings, then confirm the reset as shown below.

Wait a few minutes for the network settings reset process to complete, then try sending a text message to your own number. Additionally, if iPhone doesn't display messages, it may be due to firmware updates, iMessage issues, or third-party messaging apps installed on the device. If it's iMessage causing the problem, you can turn it off by accessing Settings => Messages => iMessage and toggle it off. After that, try sending messages as usual.

Sometimes, using third-party messaging apps can cause system conflicts, affecting the ability to send and receive messages normally. It's best to try uninstalling this app from your device.

Here's a guide to fix the iPhone not displaying messages issue, which generally can be quite complex but serves as the sole solution instead of resorting to costly repairs or warranties. Additionally, you can refer to the guide on

to prevent unwanted harassing behaviors.