The view

@login_required
def fragebogen(request, code):
    visitorgroup = get_object_or_none(VisitorGroup, code=code)
    if not visitorgroup:
        return HttpResponseRedirect('/fragebogen/?q=invalid')
    user = request.user
    FragebogenFormSet = modelformset_factory(FragebogenAnswer, form=FragebogenForm, fields=("answer",), extra=0)
    FragebogenFormSetOptional = modelformset_factory(FragebogenAnswer, form=FragebogenOptionalAnswerForm, fields=("answer",), extra=0)
    daten_online_quesion = Question.objects.get(id=91)
    answers = FragebogenAnswer.objects.filter(user=user)
    #logging.debug('Answers: %s \n' % answers)
    if not answers:
        singleanswer_questions = Question.objects.select_related('choice').filter(category__gte=100, handler__in=[30,31])
        for question in singleanswer_questions:
            answer=FragebogenAnswer()
            answer.question = question
            answer.user = user
            answer.visitorgroup = visitorgroup
            answer.save()
        answers = FragebogenAnswer.objects.filter(user=user)
    if request.method == 'POST':
        internet_formset = FragebogenFormSet(request.POST, queryset=answers.filter(question__category=100).order_by('-question__ordering'), prefix='internet')
        games_formset = FragebogenFormSet(request.POST, queryset=answers.filter(question__category=110).order_by('question__ordering'), prefix='games')
        communities_formset = FragebogenFormSetOptional(request.POST, queryset=answers.filter(question__category=120, question__handler__in=[30,31]).order_by('question__ordering'), prefix='communities')
        communities_frage_form = FragebogenMultipleAnswersForm(request.POST, question=daten_online_quesion)
        handy_formset = FragebogenFormSet(request.POST, queryset=answers.filter(question__category=130).order_by('question__ordering'), prefix='handy')
        interessenform = InteressenForm(request.POST)

        if internet_formset.is_valid() and games_formset.is_valid()\
          and communities_formset.is_valid() and handy_formset.is_valid()\
          and interessenform.is_valid() and communities_frage_form.is_valid():
            
            internet_formset.save()
            games_formset.save()
            communities_formset.save()
            handy_formset.save()
            processMultipleChoiceForm(request, form=communities_frage_form, visitorgroup=visitorgroup) #Verwaltet Datenbankeinträge
            weg = interesse(interessenform)
            UserProfile.objects.filter(user=request.user).update(weg=weg)

        return HttpResponseRedirect('/fragebogen/danke/')
    else:
        
        internet_formset = FragebogenFormSet(queryset=answers.filter(question__category=100).order_by('-question__ordering'), prefix='internet')
        games_formset = FragebogenFormSet(queryset=answers.filter(question__category=110).order_by('question__ordering'), prefix='games')
        communities_formset = FragebogenFormSetOptional(queryset=answers.filter(question__category=120, question__handler__in=[30,31]).order_by('question__ordering'), prefix='communities')
        communities_frage_form = FragebogenMultipleAnswersForm(question=daten_online_quesion)
        handy_formset = FragebogenFormSet(queryset=answers.filter(question__category=130).order_by('question__ordering'), prefix='handy')
        interessenform = InteressenForm()



The Diff:

if request.method == 'POST':
-        internet_formset = FragebogenFormSet(request.POST, prefix='internet')
-        games_formset = FragebogenFormSet(request.POST, prefix='games')
-        communities_formset = FragebogenFormSetOptional(request.POST, prefix='communities')
+        internet_formset = FragebogenFormSet(request.POST, queryset=answers.filter(question__category=100).order_by('-question__ordering'), prefix='internet')
+        games_formset = FragebogenFormSet(request.POST, queryset=answers.filter(question__category=110).order_by('question__ordering'), prefix='games')
+        communities_formset = FragebogenFormSetOptional(request.POST, queryset=answers.filter(question__category=120, question__handler__in=[30,31]).order_by('question__ordering'), prefix='communities')
         communities_frage_form = FragebogenMultipleAnswersForm(request.POST, question=daten_online_quesion)
-        handy_formset = FragebogenFormSet(request.POST, prefix='handy')
+        handy_formset = FragebogenFormSet(request.POST, queryset=answers.filter(question__category=130).order_by('question__ordering'), prefix='handy')
         interessenform = InteressenForm(request.POST)
+
         if internet_formset.is_valid() and games_formset.is_valid()\
           and communities_formset.is_valid() and handy_formset.is_valid()\
           and interessenform.is_valid() and communities_frage_form.is_valid():
@@ -121,12 +133,13 @@ def fragebogen(request, code):
             games_formset.save()
             communities_formset.save()
             handy_formset.save()
-            #processMultipleChoiceForm(request, form=communities_frage_form, visitorgroup=visitorgroup) #Verwaltet Datenbankeinträge
+            processMultipleChoiceForm(request, form=communities_frage_form, visitorgroup=visitorgroup) #Verwaltet Datenbankeinträge
             weg = interesse(interessenform)
             UserProfile.objects.filter(user=request.user).update(weg=weg)
-            return HttpResponseRedirect('/fragebogen/danke/')
+
+        return HttpResponseRedirect('/fragebogen/danke/')