Wow, great support on this board. With this many users experiencing problems after v9 upgrade, you might want to assume there could be a problem rather than assuming it's always on the user side. I have used my current phone as well as xperia z3 for a number of years with same bluetooth headset. And now have challenges. It doesn't fail to pair. But I can't hear some types of audio sometimes when I'm connecting and trying to make a phone call. Re-pairing has generally corrected the problem until today. The bluetooth headphones still work fine when connected to my laptop. Having read the rest of this thread, I'm not expecting any decent suggestions or help from this post. Just wanted to point out that there is obviously some sort of problem to the dismissive posters "helping" the previous posters.
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