I was able to connect till yesterday but I do not know what happened today. I can pair the device but cannot connect to it. It gives the following error message
Attempting to connect to E4:41:22:E2:9F:CB
Failed to connect: org.bluez.Error.Failed
Here is the bluetoothctl output
[bluetooth]# info E4:41:22:E2:9F:CB
Device E4:41:22:E2:9F:CB (public)
Name: OnePlus Buds Z2
Alias: OnePlus Buds Z2
Class: 0x00240404
Icon: audio-card
Paired: yes
Trusted: yes
Blocked: no
Connected: no
LegacyPairing: no
UUID: Serial Port (00001101-0000-1000-8000-00805f9b34fb)
UUID: Vendor specific (00001107-d102-11e1-9b23-00025b00a5a5)
UUID: Audio Sink (0000110b-0000-1000-8000-00805f9b34fb)
UUID: A/V Remote Control Target (0000110c-0000-1000-8000-00805f9b34fb)
UUID: Advanced Audio Distribu.. (0000110d-0000-1000-8000-00805f9b34fb)
UUID: A/V Remote Control (0000110e-0000-1000-8000-00805f9b34fb)
UUID: Handsfree (0000111e-0000-1000-8000-00805f9b34fb)
UUID: Generic Attribute Profile (00001801-0000-1000-8000-00805f9b34fb)
UUID: Vendor specific (66666666-6666-6666-6666-666666666666)
UUID: Vendor specific (df21fe2c-2515-4fdb-8886-f12c4d67927c)
apt
logs? (assuming you're asking about deb packages) Upgrades appear in logs when initiated by terminal, unattended-upgrades or GUI program the same.