AssistiveTouch is an accessibility feature on your iPhone and iPad that allows you to add a button to your screen so you can access all of the functions that your phone buttons would normally do. If your iPhone buttons are broken, then AssistiveTouch would be able to replace it.
You can use AssistiveTouch to lock your screen, power off your phone, multi-finger gestures, restore your phone, and adjust the volume. When AssistiveTouch is enabled, you’ll see a button your screen and you’ll be able to drag anywhere on your screen. You can enable and disable it going either going into the settings app or by clicking on your home button three times.
The main screen AssistiveTouch won’t work on your iPhone or iPad is either because your screen is frozen/unresponsive. This is most likely caused by a bug – this is a failure in the system that causes unexpected results such as the one you’re experiencing now.
Restart your iPhone
The first thing you should try when you’re experiencing problems with your iPhone is to restart it. This will refresh the software and get rid of any bugs that could be causes problems on your phone. To restart your iPhone, press the home button along with the sleep button and then power off your device. Once your phone restarts, then you should no longer have issues when trying to use AssistiveTouch.
Disable and Enable AssistiveTouch
If the problem is actually being caused by the AssistiveTouch feature itself, then you can disable and enable it.
1. Go to Settings.
2. Tap on Guided Access.
3. Toggle Off AssistiveTouch. Close the Settings app.
4. Toggle On AssistiveTouch.
5. Enable it from your home screen and check if the button is working.
Force Restart your Phone
If you’re still having problems when clicking the AssistiveTouch button, then you’ll have to take further steps to fix this problem. You can hard reset your iPhone by using the few of your side buttons. Hard resetting your device will refresh the hardware system which could be responsible for the problem whereas restarting your device only fixes it at the software level.
For iPhone 8 or Later:
Quickly press-release the volume up button, then press-release the volume down button in quick succession. Once done, press-hold the sleep/wake button until the Apple logo appears on the screen.
For iPhone 7 & 7 Plus:
Press-hold the sleep/wake button in tandem with the volume down button for at least 7-10 seconds. Do not release them until the Apple logo appears on the screen.
For iPhone 6 Plus & Previous Models:
Press-hold the home and side/top button (as per the model) for 10 seconds. Do not release them until the Apple logo appears on the screen.