Hello!
I've successfully installed Catalina 10.15.4 on my Latitude 5400 with below specs
8th Generation Intel Core i7-8 665U Processor (4 Core,8MB Cac he,1.9GHz,15W, vPro-Capable)
Integrated Intel UHD 620 Graphics, Thunderbolt
32GB, 2x16GB, DDR4 Non-ECC
M.2 512GB PCIe NVMe Class 35 Solid State Drive
and replaced the AX200 Wireless card with DW1560 BCM94352Z
I've put all kexts to /L/E using Hackintool and kept a copy of FakeSMC.kext on /E/C/K/O
at first the Bluetooth is working but after reboot it stopped working (can't turn it on)
Thank you in advance for helping.
**update
Did a reinstallation using attached kexts and kept below kexts in /E/C/K/O. BT and WiFi works fine
AirportBrcmFixup.kext
BrcmFirmwareData.kext
BrcmBluetoothInjector.kext
BrcmPatchRAM3.kex
***I still need help in patching my DSDT