I installed Bullseye / Cinnamon with contrib and non-free and verified that firmware-realtek was installed. I could not get wifi working at all. The firmware-realtek package lists RTL8852A at the bottom of supported cards but not RTL8852AE. So I found lwfinger's github with driver?/firmware? for my card. I cloned the repo and did the make and my wifi was up and running immediately. But now I discovered that even though Blutooth was enabled the Bluman could not find any device. Dmesg says 'inknown IC'.
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peter@lenovo-debian:~$ sudo dmesg | grep luetooth
[ 1.965218] usb 3-3: Product: Bluetooth Radio
[ 3.164017] Bluetooth: Core ver 2.22
[ 3.164036] Bluetooth: HCI device and connection manager initialized
[ 3.164039] Bluetooth: HCI socket layer initialized
[ 3.164041] Bluetooth: L2CAP socket layer initialized
[ 3.164043] Bluetooth: SCO socket layer initialized
[ 3.171193] Bluetooth: hci0: RTL: examining hci_ver=0b hci_rev=000a lmp_ver=0b lmp_subver=8852
[ 3.171195] Bluetooth: hci0: RTL: unknown IC info, lmp subver 8852, hci rev 000a, hci ver 000b
[ 3.171196] Bluetooth: hci0: RTL: assuming no firmware upload needed
[ 3.267580] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[ 3.267582] Bluetooth: BNEP filters: protocol multicast
[ 3.267585] Bluetooth: BNEP socket layer initialized
[ 13.306889] Bluetooth: RFCOMM TTY layer initialized
[ 13.306895] Bluetooth: RFCOMM socket layer initialized
[ 13.306900] Bluetooth: RFCOMM ver 1.11
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peter@lenovo-debian:~$ sudo find / -name '*8852*'
/usr/lib/firmware/rtw89/rtw8852a_fw.bin
/usr/lib/firmware/rtl_bt/rtl8852au_fw.bin
/usr/lib/firmware/rtl_bt/rtl8852au_config.bin