Can I also stick the COMPIT universal adapter onto a soft cover or directly onto the back of the smartphone? 07 February 2024 18:21 Updated No, the adapter only works with hard cases. Please never stick the universal adapter directly onto your smartphone, always use a hard case. Related articles Which COVER can I use if I don't have one of these smartphones? What mobile phone cases does SKS Germany offer for the COMPIT system? Is there a COMPIT mount that can be attached to the centre of the handlebar together with a Bosch Kiox display? Can I also use the +COM/CHARGER in the rain? Can I mount the MUDROCKER REAR under the INFINITY UNIVERSAL luggage carrier?