I want to deselect images if I selected more than 4 images, here i can’t go back gallery

List<XFile?> imageFiles =  await ImagePicker.platform.pickMultiImage();

 if(imageFiles.length <= 4) {
   ///successfully uploaded images
 } else{
   ///go back to gallery to deselect images until <= 4
 }

I want to go back to gallery to deselect selected images