def detail(request, the_model): 
    the_model = urllib.unquote(the_model)
    gadget = PhoneModel.objects.get(model_name = the_model)
    features = Feature.objects.get(model_name = gadget.id)

{{ features.network }}
e.t.c

class Feature(models.Model):  
    model_name = models.ForeignKey(PhoneModel)
    control = models.CharField(max_length = 150, blank = True)
    network = models.CharField(max_length = 150, blank = True)
    navigation = models.CharField(max_length = 150, blank = True)
    sim = models.IntegerField(max_length = 1, blank = True)
    screen =  models.CharField(max_length = 150, blank = True)
    camera = models.CharField(max_length = 150, blank = True)
    audio = models.CharField(max_length = 150, blank = True)
    video = models.CharField(max_length = 150, blank = True)
    images = models.CharField(max_length = 150, blank = True) 
    e_book = models.CharField(max_length = 150, blank = True) 
    memory = models.CharField(max_length = 150, blank = True)
    messsages = models.CharField(max_length = 150, blank = True)
    data_transfer = models.CharField(max_length = 150, blank = True)
    applications = models.CharField(max_length = 150, blank = True)
    phone_book = models.CharField(max_length = 150, blank = True)
    organizer = models.CharField(max_length = 150, blank = True)
    ringtone = models.CharField(max_length = 150, blank = True)
    operation = models.CharField(max_length = 150, blank = True)
    the_set = models.CharField(max_length = 300, blank = True)
    color =  models.CharField(max_length = 150, blank = True)
    size =  models.CharField(max_length = 40, blank = True)
    language = models.CharField(max_length = 350, blank = True)
    extra = models.CharField(max_length = 350, blank = True)

    #в модели
    @property
    def listable_properties(self):

        props_names = ['foundation', 'wall', 'blocking', 'ceiling',
                       'roof', 'tiling', 'decoration', 'socle']
        for pname in props_names:
            field = self._meta._name_map.get(pname, None)
            if field and getattr(self, pname):
                yield {'name': field[0].verbose_name, 'value': getattr(self, pname)}



{# в шаблоне #}
{% for prop in project.listable_properties %}
	        <dt>{{ prop.name }}:</dt>
		    <dd>{{ prop.value }}</dd>
{% endfor %}