When sending emojis in the range > 1Fxxx, they don't get properly encoded as four byte UTF8 sequences.
Setup: Fairphone 2 using latest snapshot, SuseLeap42.2 using latest git commit
Test character: U+1F602 😂 FACE WITH TEARS OF JOY
PC -> Android receives correctly f0 9f 98 82
Android V3.2.2-12:
Android -> PC receives wrong sequence ef bf bd ef bf bd (twice replacement char)
Android V3.2.2-10:
Android -> PC receives wrong sequence ed a0 bd ed b8 82 (surrogates D83D and DE02)