So I woke up one morning and noticed that when I turned off airplane mode I couldn't get any signal. I literally tried everything from resetting everything, setting up as a new phone etc... I went to apple with it and they couldn't find anything wrong with the hardware. They also did a couple restores in the store themselves without a solution. They told me that for 350 euro they could give me another 6S. I refused this because this phone is 3 months old. (This one is a replacement already for my previous one that had motherboard issues, at that point I was 9 days past my warranty so they couldn't help me anymore unless I paid for it.) I really hope someone here got a solution, I tried everything I can possibly think off but nothing seems to work. I'm kind of desperate at the moment. Many thanks in advance.