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Ok @Jake Lo get it working. You are best men

Great I've got this one and all is working except bt and hand off can you help me I've this card BroadCom BCM4352 BCM94352HMB

HI all, does anyone have EFI from Big Sur - OC 6.0 for this laptop Dell e7440 ? I used from e7470 and make clean install but no BT/ and WiFi starts after some minutes. but was for different card 1550 DW.

Hi I want to ask if on this laptop I'm able to run airplay. Dell specs: CPU: Haswell Intel Core i7-4600u dual core 4th gen IGPU: Intel Graphics HD 4400 Ram: 16GB DDR3 SSD M-SATA: 256GB Bios: A28 Mac Os: Catalina 10.15.4 efi from here https://osxlatitude.com/applications/core/interface/file/attachment.php?id=26442 wifi card: BroadCom BCM4352 BCM94352HMB