Not working properly on flat surface
I have bought iPhone 12 Pro Max 256;
When it’s on a flat surface, it doesn’t respond to my fingertip or does very hard.
Once I hold the phone in my hands it works properly.
Why?
iPhone 12 Pro Max
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Change 3D or Haptic Touch sensitivity on your iPhone
- Go to Settings and tap Accessibility.
- Tap Touch, then tap 3D & Haptic Touch. Depending on the device you have, you might see 3D Touch or Haptic Touch only.*
- Turn on the feature, then use the slider to select a sensitivity level.
Change 3D or Haptic Touch sensitivity on your iPhone - Apple Support