I can confirm all of the above. Also looking at the Pi OS the in which the bluetooth works it lists BCM2711-rpi-400.dts. Also unblocking the soft block has no effect.
-- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to bluez in Ubuntu. https://bugs.launchpad.net/bugs/1903286 Title: Pi400 Bluetooth device not being recognised, Bluetooth manager and Bluetooth adaptors commands show no screen output and appear inoperative Status in bluez package in Ubuntu: New Bug description: Trying to use a Bluetooth mouse with Pi400 running latest Mate 20.10 desktop,to save using a USB port. The mouse does not get recognised, double clicking either Bluetooth Adaptors or Bluetooth Manager has no effect. Full update run this morning. ProblemType: Bug DistroRelease: Ubuntu 20.10 Package: bluetooth 5.55-0ubuntu1 ProcVersionSignature: Ubuntu 5.8.0-1006.9-raspi 5.8.14 Uname: Linux 5.8.0-1006-raspi aarch64 ApportVersion: 2.20.11-0ubuntu50 Architecture: arm64 CasperMD5CheckResult: skip CurrentDesktop: MATE Date: Fri Nov 6 10:31:06 2020 ImageMediaBuild: 20201028 InterestingModules: bnep bluetooth Lspci-vt: -[0000:00]---00.0-[01]----00.0 VIA Technologies, Inc. VL805 USB 3.0 Host Controller PackageArchitecture: all ProcEnviron: LANGUAGE=en_GB:en PATH=(custom, no username) XDG_RUNTIME_DIR=<set> LANG=en_GB.UTF-8 SHELL=/bin/bash ProcKernelCmdLine: coherent_pool=1M 8250.nr_uarts=0 snd_bcm2835.enable_compat_alsa=0 snd_bcm2835.enable_hdmi=1 snd_bcm2835.enable_headphones=1 video=HDMI-A-1:1920x1080M@60 video=HDMI-A-2:1920x1080M@60 smsc95xx.macaddr=DC:A6:32:E0:8E:57 vc_mem.mem_base=0x3eb00000 vc_mem.mem_size=0x3ff00000 net.ifnames=0 dwc_otg.lpm_enable=0 console=tty1 root=LABEL=writable rootfstype=ext4 elevator=deadline rootwait fixrtc quiet splash SourcePackage: bluez UpgradeStatus: No upgrade log present (probably fresh install) acpidump: hciconfig: rfkill: 0: phy0: Wireless LAN Soft blocked: yes Hard blocked: no To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/bluez/+bug/1903286/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp