[Samsung Galaxy Note 9 Themes, Apps, and Mods] zanfix:
Strange... after a reboot, when I turn the mouse on, logcat shows these messages

05-03 22:12:29.936 809 2792 I vendor.qti.bluetooth@1.0-ibs_handler: ProcessIbsCmd: Received IBS_WAKE_IND: 0xFD
05-03 22:12:29.936 809 2792 D vendor.qti.bluetooth@1.0-ibs_handler: SerialClockVote: vote for UART CLK ON
05-03 22:12:29.939 809 2792 I vendor.qti.bluetooth@1.0-ibs_handler: ProcessIbsCmd: Writing IBS_WAKE_ACK
05-03 22:12:29.943 809 809 I vendor.qti.bluetooth@1.0-ibs_handler: DeviceWakeUp: Writing IBS_WAKE_IND
05-03 22:12:29.944 809 2792 I vendor.qti.bluetooth@1.0-ibs_handler: ProcessIbsCmd: Received IBS_WAKE_ACK: 0xFC
05-03 22:12:29.987 809 2792 I vendor.qti.bluetooth@1.0-ibs_handler: ProcessIbsCmd: Received IBS_SLEEP_IND: 0xFE
05-03 22:12:30.218 809 2792 I vendor.qti.bluetooth@1.0-ibs_handler: ProcessIbsCmd: Received IBS_WAKE_IND: 0xFD
05-03 22:12:30.219 809 2792 I vendor.qti.bluetooth@1.0-ibs_handler: ProcessIbsCmd: Writing IBS_WAKE_ACK
05-03 22:12:30.277 809 2792 I vendor.qti.bluetooth@1.0-ibs_handler: ProcessIbsCmd: Received IBS_SLEEP_IND: 0xFE
05-03 22:12:30.538 809 2792 I vendor.qti.bluetooth@1.0-ibs_handler: ProcessIbsCmd: Received IBS_WAKE_IND: 0xFD
05-03 22:12:30.538 809 2792 I vendor.qti.bluetooth@1.0-ibs_handler: ProcessIbsCmd: Writing IBS_WAKE_ACK
05-03 22:12:30.608 809 2792 I vendor.qti.bluetooth@1.0-ibs_handler: ProcessIbsCmd: Received IBS_SLEEP_IND: 0xFE
05-03 22:12:30.849 809 2792 I vendor.qti.bluetooth@1.0-ibs_handler: ProcessIbsCmd: Received IBS_WAKE_IND: 0xFD
05-03 22:12:30.849 809 2792 I vendor.qti.bluetooth@1.0-ibs_handler: ProcessIbsCmd: Writing IBS_WAKE_ACK
05-03 22:12:30.933 809 2792 I vendor.qti.bluetooth@1.0-ibs_handler: ProcessIbsCmd: Received IBS_SLEEP_IND: 0xFE
05-03 22:12:31.167 809 2792 I vendor.qti.bluetooth@1.0-ibs_handler: ProcessIbsCmd: Received IBS_WAKE_IND: 0xFD
05-03 22:12:31.168 809 2792 I vendor.qti.bluetooth@1.0-ibs_handler: ProcessIbsCmd: Writing IBS_WAKE_ACK
05-03 22:12:31.240 809 2792 I vendor.qti.bluetooth@1.0-ibs_handler: ProcessIbsCmd: Received IBS_SLEEP_IND: 0xFE
05-03 22:12:31.482 809 2792 I vendor.qti.bluetooth@1.0-ibs_handler: ProcessIbsCmd: Received IBS_WAKE_IND: 0xFD
05-03 22:12:31.482 809 2792 I vendor.qti.bluetooth@1.0-ibs_handler: ProcessIbsCmd: Writing IBS_WAKE_ACK
05-03 22:12:31.556 809 2792 I vendor.qti.bluetooth@1.0-ibs_handler: ProcessIbsCmd: Received IBS_SLEEP_IND: 0xFE
05-03 22:12:31.795 809 2792 I vendor.qti.bluetooth@1.0-ibs_handler: ProcessIbsCmd: Received IBS_WAKE_IND: 0xFD
05-03 22:12:31.795 809 2792 I vendor.qti.bluetooth@1.0-ibs_handler: ProcessIbsCmd: Writing IBS_WAKE_ACK
05-03 22:12:31.859 809 2792 I vendor.qti.bluetooth@1.0-ibs_handler: ProcessIbsCmd: Received IBS_SLEEP_IND: 0xFE
05-03 22:12:32.111 809 2792 I vendor.qti.bluetooth@1.0-ibs_handler: ProcessIbsCmd: Received IBS_WAKE_IND: 0xFD
05-03 22:12:32.112 809 2792 I vendor.qti.bluetooth@1.0-ibs_handler: ProcessIbsCmd: Writing IBS_WAKE_ACK
05-03 22:12:32.189 809 2792 I vendor.qti.bluetooth@1.0-ibs_handler: ProcessIbsCmd: Received IBS_SLEEP_IND: 0xFE
05-03 22:12:32.428 809 2792 I vendor.qti.bluetooth@1.0-ibs_handler: ProcessIbsCmd: Received IBS_WAKE_IND: 0xFD
05-03 22:12:32.428 809 2792 I vendor.qti.bluetooth@1.0-ibs_handler: ProcessIbsCmd: Writing IBS_WAKE_ACK
05-03 22:12:32.500 809 2792 I vendor.qti.bluetooth@1.0-ibs_handler: ProcessIbsCmd: Received IBS_SLEEP_IND: 0xFE
05-03 22:12:32.743 809 2792 I vendor.qti.bluetooth@1.0-ibs_handler: ProcessIbsCmd: Received IBS_WAKE_IND: 0xFD
05-03 22:12:32.743 809 2792 I vendor.qti.bluetooth@1.0-ibs_handler: ProcessIbsCmd: Writing IBS_WAKE_ACK
05-03 22:12:32.799 809 2792 I vendor.qti.bluetooth@1.0-ibs_handler: ProcessIbsCmd: Received IBS_SLEEP_IND: 0xFE
05-03 22:12:33.055 809 2792 I vendor.qti.bluetooth@1.0-ibs_handler: ProcessIbsCmd: Received IBS_WAKE_IND: 0xFD
05-03 22:12:33.055 809 2792 I vendor.qti.bluetooth@1.0-ibs_handler: ProcessIbsCmd: Writing IBS_WAKE_ACK
05-03 22:12:33.126 809 2792 I vendor.qti.bluetooth@1.0-ibs_handler: ProcessIbsCmd: Received IBS_SLEEP_IND: 0xFE
05-03 22:12:33.369 809 2792 I vendor.qti.bluetooth@1.0-ibs_handler: ProcessIbsCmd: Received IBS_WAKE_IND: 0xFD
05-03 22:12:33.369 809 2792 I vendor.qti.bluetooth@1.0-ibs_handler: ProcessIbsCmd: Writing IBS_WAKE_ACK
05-03 22:12:33.443 809 2792 I vendor.qti.bluetooth@1.0-ibs_handler: ProcessIbsCmd: Received IBS_SLEEP_IND: 0xFE
05-03 22:12:33.688 809 2792 I vendor.qti.bluetooth@1.0-ibs_handler: ProcessIbsCmd: Received IBS_WAKE_IND: 0xFD
05-03 22:12:33.688 809 2792 I vendor.qti.bluetooth@1.0-ibs_handler: ProcessIbsCmd: Writing IBS_WAKE_ACK
05-03 22:12:33.760 809 2792 I vendor.qti.bluetooth@1.0-ibs_handler: ProcessIbsCmd: Received IBS_SLEEP_IND: 0xFE
05-03 22:12:33.998 809 2792 I vendor.qti.bluetooth@1.0-ibs_handler: ProcessIbsCmd: Received IBS_WAKE_IND: 0xFD
05-03 22:12:33.998 809 2792 I vendor.qti.bluetooth@1.0-ibs_handler: ProcessIbsCmd: Writing IBS_WAKE_ACK
05-03 22:12:34.081 809 2792 I vendor.qti.bluetooth@1.0-ibs_handler: ProcessIbsCmd: Received IBS_SLEEP_IND: 0xFE
05-03 22:12:34.314 809 2792 I vendor.qti.bluetooth@1.0-ibs_handler: ProcessIbsCmd: Received IBS_WAKE_IND: 0xFD
05-03 22:12:34.314 809 2792 I vendor.qti.bluetooth@1.0-ibs_handler: ProcessIbsCmd: Writing IBS_WAKE_ACK
05-03 22:12:34.360 809 2792 I vendor.qti.bluetooth@1.0-ibs_handler: ProcessIbsCmd: Received IBS_SLEEP_IND: 0xFE
05-03 22:12:35.320 809 2800 I vendor.qti.bluetooth@1.0-ibs_handler: DeviceSleep: TX Awake, Sending SLEEP_IND
05-03 22:12:35.321 809 2800 D vendor.qti.bluetooth@1.0-ibs_handler: SerialClockVote: vote for UART CLK OFF

then the pairing does not happen.... oh well... anyway i suppose it's not a BluetoothLibraryPatcher problem...(y)