According to the log, when autoconnection fails:
Redmi phone sent (Handsfree):
> ACL Data RX: Handle 11 flags 0x02 dlen 17
>
> #37 [hci0] 9.000527
Channel: 64 len 13 [PSM 1 mode 0] {chan 0}
SDP: Service Search Request (0x02) tid 1 len 8
Search pattern: [len 5]
Sequence (6) with 3 bytes [8 extra bits] len 5
UUID (3) with 2 bytes [0 extra bits] len 3
Handsfree (0x111e)
Max record count: 68
Continuation state: 0
But laptop reply not support:
< ACL Data TX: Handle 11 flags 0x00 dlen 14
#38 [hci0] 9.000848
Channel: 64 len 10 [PSM 1 mode 0] {chan 0}
SDP: Service Search Response (0x03) tid 1 len 5
Total record count: 0
Current record count: 0
Continuation state: 0
Then Redmi phone propose disconnection.
It looks like your philip headphone doesn't inquire the handsfree
service, maybe pulseaudio/bluez doesn't support handsfree service well
or enable to do some change to enable it?
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https://bugs.launchpad.net/bugs/1879582
Title:
[Redmi AirDots Bluetooth] I need to remove device in settings every
time i want to connect again
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