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Ubuntu 12.04 (precise) reached end-of-life on April 28, 2017.
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*** This bug is a duplicate of bug 1845046 ***
https://bugs.launchpad.net/bugs/1845046
** This bug is no longer a duplicate of bug 1181106
Failed to change profile to A2DP
** This bug has been marked a duplicate of bug 1845046
Bluetooth headphones/speaker default to low quality headset
*** This bug is a duplicate of bug 1181106 ***
https://bugs.launchpad.net/bugs/1181106
** This bug has been marked a duplicate of bug 1181106
Failed to change profile to A2DP in 13.04 (Raring), 13.10 (saucy), and 14.04
(trusty)
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