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Blurry Top Left Screen: Unveiling the Mystery of iPhone Display Anomalies

Have you ever noticed a frustrating issue with your iPhone where the top left portion of the screen appears blurry? It can be quite annoying, especially when it affects your ability to view and interact with your device. In this article, we will explore the potential causes behind this problem and provide troubleshooting steps to resolve it. So, if you’re wondering why the top left of your iPhone screen is blurry, keep reading to find some possible solutions.

Understanding the Issue: “Join” Button in Messages for FaceTime

One common issue iPhone users encounter is the presence of a “Join” button in Messages for FaceTime. This button can cause confusion, as it seems out of place within the messaging app. To better understand this issue, let’s dive into the integration of FaceTime and Messages on iPhones.

Integration of FaceTime and Messages

FaceTime and Messages are two popular built-in apps on iPhones that allow users to communicate through video and audio calls, as well as text messages. These apps are tightly integrated, providing seamless communication between contacts. However, there are instances where users may notice unexpected behavior, such as the appearance of a “Join” button within their messages.

The Purpose of the “Join” Button

The “Join” button in Messages is designed to facilitate quick and easy access to FaceTime calls. It allows users to transition from a text conversation to a FaceTime call with a single tap. When the button appears, it indicates that someone has initiated a FaceTime call, and you can join the call by tapping the button.

Potential Reasons for the “Join” Button Displaying in Messages

Several factors can contribute to the “Join” button appearing in Messages. Let’s explore some potential reasons for its display:

  1. Incoming FaceTime Call: The most common reason for the “Join” button to appear is when someone initiates a FaceTime call with you. The button serves as a direct invitation to join the call.
  2. Group FaceTime Calls: If you are part of a group FaceTime call, the “Join” button may appear in Messages as a means to join the ongoing conversation.
  3. FaceTime Audio Calls: In some cases, the “Join” button can appear when someone initiates a FaceTime audio call, allowing you to switch from a regular phone call to a FaceTime audio call.

Message Settings and FaceTime Integration

To ensure the smooth integration of FaceTime and Messages, it’s essential to review and adjust some message settings on your iPhone. Here are a few settings worth checking:

  1. FaceTime Settings: Go to Settings, scroll down, and tap on FaceTime. Ensure that FaceTime is enabled and configured correctly.
  2. Messages Settings: Open Settings, scroll down to Messages, and tap on it. Verify that iMessage is turned on, and check if the “Send as SMS” option is enabled.
  3. Contact Information: Double-check that your contact information, including your phone number and Apple ID email address, are accurate and up to date in your iPhone’s Contacts app.

Troubleshooting Steps for the “Join” Button Issue

If the “Join” button continues to appear unexpectedly in Messages, despite verifying the settings, you can follow these troubleshooting steps to address the issue:

Checking FaceTime and Messages Permissions

  1. Go to Settings and tap on Privacy.
  2. Select Camera and ensure that both FaceTime and Messages have permission to access the camera.
  3. Similarly, check the Microphone permission for both FaceTime and Messages.

Updating FaceTime and Messages Applications

Keeping your apps up to date is essential for optimal performance. Follow these steps to update FaceTime and Messages:

  1. Open the App Store.
  2. Tap on your profile picture.
  3. Scroll down and find FaceTime and Messages.
  4. If updates are available, tap Update next to each app.

Resetting FaceTime and Messages Settings

Resetting the settings of FaceTime and Messages can help resolve any configuration issues. Here’s how:

  1. Open Settings and go to General.
  2. Scroll down and tap on Reset.
  3. Select Reset All Settings.
  4. Confirm your choice and enter your passcode if prompted.
  5. Note that this will reset all settings, including network settings and personalized preferences.

Contacting Apple Support for Further Assistance

If none of the troubleshooting steps mentioned above resolve the issue, it is advisable to reach out to Apple Support for further assistance. Apple’s customer support team can provide personalized guidance and help resolve any underlying software or hardware issues causing the persistent appearance of the “Join” button in Messages.


Encountering a blurry top left screen issue on your iPhone can be frustrating, but understanding the potential causes and following the appropriate troubleshooting steps can help resolve the problem. In this article, we discussed the integration of FaceTime and Messages, the purpose of the “Join” button, and potential reasons for its appearance in Messages. By reviewing message settings, checking permissions, updating apps, and resetting settings, you can address the “Join” button issue. Remember, if the problem persists, don’t hesitate to contact Apple Support for further assistance.

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