Hello Andi,
Thanks for reaching out to the Apple Support Communities. I understand you've had some trouble with the touch sensitivity on your iPhone, and I have some information that may help.
Have a look at the article below for some helpful troubleshooting steps.
Best Regards.
Thanks for reaching out to the Apple Support Communities. I understand you've had some trouble with the touch sensitivity on your iPhone, and I have some information that may help.
Have a look at the article below for some helpful troubleshooting steps.
Get help with the display on your iPhone, iPad, or iPod touch - Apple Support
If the behavior persists or you run into any trouble, please reach out again.Best Regards.