strange problem with bluetooth
 

got 3 diff. phones 7610 6670 6680 with same problem whenever i transfer something with bluetooth phone goes not reachable.
i cant make any call until phone is restarted but only for a single call.
after every call phone has to be restarted.
plz help

full flash the phone with good pm

post result man

already done with no result

then you sould have reflow bluetooth module or change with new one
but be careful

good luck

post result

i think i'll return the handset to customer

i think i'll return the handset to customer

just open ufsx DCTx Rp bt

already tried nothing happened
problem returns after some time

I have that problem b4, all solution not work maybe board problem... so i decided to apply the ultimate solution... "RTO" return to owner.

have you change bt module ?
because in my case , I repaired 3 sets before by changing bt module

post result