How to Fix Black Box on iPhone Screen Lock Screen

To fix black box on iPhone screen lock screen – a rectangle black box -> to to settings -> Accessibility -> Touch -> turn off assistive touch.

You can try disabling the zoom feature and force close all apps and restart your iPhone.

Singout of iCloud and sign in back and use 3 fingers to turn off zoom.

On your iphone when you lock your iphone and you are setting a black box on lock screen and wont go away and this issue is happening after updating your iPhone to latest version to iOS 15 or 16 or later then by these quick solutions, you can fix this issue on your own. So, let’s see in detail below.

Many iPhone users experiencing this issue of black box on their lock screen or rectangle box on iphone after facetime or black box with arrow issue on lock screen on iphone.

Fix Black box on iPhone Screen Lock Screen 

Below iPhone troubleshooting methods will help you get rid of black rectangle box with arrow or black box on lock screen issue on iphone.

Swipe Left on Black Box Screen

Step 1: On iphone screen black rectangle box -> just swipe left to remove it.

Step 2: Black box on iphone screen will be removed.

If this doesn’t work, then follow other methods and get rid of black rectangle box on iphone screen.

Turn Off Assistive Touch

Step 1: Open Settings

Step 2: Tap on Accessibility

Step 3: Tap on Touch

Step 4: Tap on Assistive touch and turn off Assistive touch.

Once you turn off assistive touch on your iphone then your issue of black box on screen or rectangle black box on iphone lock screen issue will be resolved successfully.

Also Read:

1) How to Fix iPhone Screen Itself Turn Pink & Crashing on iPhone 13, 13 Mini, 13 Pro, 13 Pro Max on iOS 15.4_15.3

2) How to Fix iPhone Screen Rotation Not Working

3) How to Fix Safari Videos Black Screen on iPhone iOS 15 or 16

4) How to Fix Instagram Black Screen Issue on iPhone

5) How to Fix Can’t Swipe to Open App Notifications on iPhone Lock Screen in iOS 15 or iPhone 7 and 7 plus or iPad

Force Quit Background Apps and Restart iPhone

Step 1: Slightly Swipe up from bottom to middle (center) and you will see list of apps running in background.

Step 2: Now, simple swipe up the apps running in background and force quit apps running in background.

Step 3: Now, go ahead and restart your iPhone -> Open settings -> Tap on General and Tap on Shutdown and drag the power off slider to turn off device and turn on iPhone after few seconds and wait for it to reboot completely.

Once you force close all apps in background and reboot your device then your issue of black box on iphone lock screen issue will be fixed.

Force Restart iPhone

Step 1: Press and Release volume up button and quickly press and release volume down button.

Step 2: Now, press and hold the side power button until you see apple logo and wait for iphone to restart.

Signout of iCloud and Sign in

Step 1: Launch Settings app -> Tap on your Name

Step 2: Scroll down and Tap on Signout.

Step 3: Enter your apple id password and keep copy of your data and toggle the buttons next to it..

Step 4: Tap on Sign out on top right corner and tap on sign out and confirm in pop up box.

Step 5: You need to wait for few seconds and then sign in to your icloud account .

Why Black Box on iPhone Screen lock screen or  transparent box on iphone screen

When you accidentally activate zoom functionality on iphone then you will see this feature of black box (zoom feature).

How to get the little black square on iPhone

You need to go to accessibility settings and turn off assistive touch. -> to to settings -> Accessibility -> Touch -> turn off assistive touch.

Gray square with time on iPhone screen

When you activate assistive touch on the iPhone, for quick access settings you will see a gray square and to get rid of gray square simply turn off assistive touch.


  • Swathi is Content Writer, Author Editorial Team Member at A Savvy Web and She writes about technology troubleshooting guides and helps users to solve issues easily. She has expertise in this area for more than 2+ years of experience.
  •  She completed her Post Graduation and has an interest in Computers, Windows, Mac, Android, iPhone, Smart tv.

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