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DW1820A support as an installer option #91

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osy opened this issue Oct 27, 2019 · 30 comments
Closed

DW1820A support as an installer option #91

osy opened this issue Oct 27, 2019 · 30 comments
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enhancement New feature or request help wanted Extra attention is needed installer Installer issues wireless Wireless networking issues

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@osy
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osy commented Oct 27, 2019

Since many users have this configuration, we should add an option in the installer.

Since I do not have this to work with, I need help from someone who has gotten it working. Please provide me with the kexts, patches, and anything else required for the card to work Wifi+BT.

@22dm can you help?

@osy osy added enhancement New feature or request help wanted Extra attention is needed installer Installer issues labels Oct 27, 2019
@22dm
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22dm commented Oct 27, 2019

Well, DW1820A have many versions, like CN-0VW3T3, CN-096JNT and CN-08PKF4. It seems that different versions have slightly different compatibility.

DW1820A

I only have a CN-08PKF4, in order to get this work, I did these changes:

The kexts need to be added:

  • for Wi-Fi
    • AirportBrcmFixup.kext
  • for Bluetooth
    • BrcmPatchRAM3.kext
    • BrcmBluetoothInjector.kext
    • BrcmFirmwareData.kext

These can be found at:

Also, config.plist needs to be modified:

  • Add kexts to Kernel -> Add
  • Add these to DeviceProperties -> Add:
<key>PciRoot(0x0)/Pci(0x1c,0x2)/Pci(0x0,0x0)</key>
<dict>
	<key>AAPL,slot-name</key>
	<string>WLAN</string>
	<key>compatible</key>
	<string>pci14e4,4353</string>
	<key>device_type</key>
	<string>Airport Extreme</string>
	<key>model</key>
	<string>DW1820A (BCM4350) 802.11ac Wireless</string>
	<key>name</key>
	<string>Airport</string>
</dict>
  • Add brcmfx-country=#a brcmfx-driver=1 to boot-args

By the way, there is a bug: If you boot into Linux / Windows and comeback to macOS, Wi-Fi and Bluetooth will be unusable (appears but won't work). In order for it to work again, you need to unplug the power cord and wait a few seconds before plugging it in.

This is the EFI I am using (removed the UUID, SN and MLB):
EFI.zip

These website is also useful:
https://blog.daliansky.net/DW1820A_BCM94350ZAE-driver-inserts-the-correct-posture.html
https://osxlatitude.com/forums/topic/11540-dw1820a-the-general-troubleshooting-thread/

Hope this can be helped.

UPDATE: Something broken after some update, however, bluetooth does't work for me now (can see but can not connect). Back to 2.2 version of BrcmPatchRAM2 solved this problem.

UPDATE2: @goodbest has a better solution without using AirportBrcmFixup in #113.

@HorstBrack75
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HorstBrack75 commented Oct 27, 2019

Really depends on the "flavour" of the card. I can confirm that what @22dm wrote works for me as well. Some people claim they had to mask some pins using duct tape though. (Never had to do this.)

By the way, there is a bug: If you boot into Linux / Windows and comeback to macOS, Wi-Fi and Bluetooth will be unusable (appears but won't work). In order for it to work again, you need to unplug the power cord and wait a few seconds before plugging it in.

Did you try using the same firmware version in Windows / Linux / Mac OS? (This seems to have solved the issue for me.)

99V46.zip

@22dm
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22dm commented Nov 3, 2019

Really depends on the "flavour" of the card. I can confirm that what @22dm wrote works for me as well. Some people claim they had to mask some pins using duct tape though. (Never had to do this.)

By the way, there is a bug: If you boot into Linux / Windows and comeback to macOS, Wi-Fi and Bluetooth will be unusable (appears but won't work). In order for it to work again, you need to unplug the power cord and wait a few seconds before plugging it in.

Did you try using the same firmware version in Windows / Linux / Mac OS? (This seems to have solved the issue for me.)

99V46.zip

It works, thx 👍

@msedek
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msedek commented Nov 4, 2019

@22dm i have the same model CN-08PKF4 but not sure what to do to make it work.. evey time i plug the card macos goes boot loops and when ever it makes it to the os the card is no where to be found.. im pretty new to hackingtosh and dont know whats all this kext etc about..

theres a hac-mini version i think its 2.2.2 that has an option for installing the driver but doesnt work.. would LOVE to have that card working so my hac mini would be perfect 100%.. i have 1 drive for windows and 1 drive for macos and dual boot currently using a common usb wifi card for both system with no bluetooth =/

@22dm
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22dm commented Nov 4, 2019

@22dm i have the same model CN-08PKF4 but not sure what to do to make it work.. evey time i plug the card macos goes boot loops and when ever it makes it to the os the card is no where to be found.. im pretty new to hackingtosh and dont know whats all this kext etc about..

Warning, misuse may cause your system to fail to boot or even data lost.

  1. mount the EFI partition:
  • open Terminal
  • sudo diskutil mount EFI
  • enter your password (no echo while you're typing) and press return
  • then you'll see EFI partition in Finder
  1. add kexts:
  • download the kexts.zip
  • unzip and put the four kexts to /EFI/OC/Kexts in your EFI Partition
  1. edit /EFI/OC/config.plist:
  • open /EFI/OC/config.plist
  • Add these to this place (1/3)
<key>PciRoot(0x0)/Pci(0x1c,0x2)/Pci(0x0,0x0)</key>
<dict>
	<key>AAPL,slot-name</key>
	<string>WLAN</string>
	<key>compatible</key>
	<string>pci14e4,4353</string>
	<key>device_type</key>
	<string>Airport Extreme</string>
	<key>model</key>
	<string>DW1820A (BCM4350) 802.11ac Wireless</string>
	<key>name</key>
	<string>Airport</string>
</dict>

截屏2019-11-0412 26 37

  • Add these to this place (2/3)
<dict>
<key>BundlePath</key>
	<string>AirportBrcmFixup.kext</string>
	<key>Enabled</key>
	<true/>
	<key>ExecutablePath</key>
	<string>Contents/MacOS/AirportBrcmFixup</string>
	<key>PlistPath</key>
	<string>Contents/Info.plist</string>
</dict>
<dict>
	<key>BundlePath</key>
	<string>BrcmBluetoothInjector.kext</string>
	<key>Enabled</key>
	<true/>
	<key>ExecutablePath</key>
	<string></string>
	<key>PlistPath</key>
	<string>Contents/Info.plist</string>
</dict>
<dict>
	<key>BundlePath</key>
	<string>BrcmFirmwareData.kext</string>
	<key>Enabled</key>
	<true/>
	<key>ExecutablePath</key>
	<string>Contents/MacOS/BrcmFirmwareData</string>
	<key>PlistPath</key>
	<string>Contents/Info.plist</string>
</dict>
<dict>
	<key>BundlePath</key>
	<string>BrcmPatchRAM2.kext</string>
	<key>Enabled</key>
	<true/>
	<key>ExecutablePath</key>
	<string>Contents/MacOS/BrcmPatchRAM2</string>
	<key>PlistPath</key>
	<string>Contents/Info.plist</string>
</dict>

截屏2019-11-0412 37 06

  • Add these to this place (3/3)
 brcmfx-country=#a brcmfx-driver=1

截屏2019-11-0412 30 05

  1. plug the card on, enjoy

@rnlo
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rnlo commented Nov 4, 2019

Mine is CN-096JNT, Wifi and BT both work for me.
Attached 99V46.zip works for windows.
Thank you so much guys.

@HorstBrack75
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HorstBrack75 commented Nov 4, 2019

@22dm i have the same model CN-08PKF4 but not sure what to do to make it work.. evey time i plug the card macos goes boot loops and when ever it makes it to the os the card is no where to be found.. im pretty new to hackingtosh and dont know whats all this kext etc about..

theres a hac-mini version i think its 2.2.2 that has an option for installing the driver but doesnt work.. would LOVE to have that card working so my hac mini would be perfect 100%.. i have 1 drive for windows and 1 drive for macos and dual boot currently using a common usb wifi card for both system with no bluetooth =/

This sounds really strange. If I boot without the kexts, bluetooth will just not work. No boot loop. (WiFi works OOB on my 08PKF4 in Mojave.) If you disable WiFi and Bluetooth devices in BIOS, will it boot again?

@goodbest
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@22dm I've also got my DW1820A working, described in #113
Maybe you can also try those steps ?

The main difference with your solution is that:

  1. I disable PCIE ASPM in bios, which is suggested in this post
  2. I don't need to add property pci14e4,4353 into the config.plist.
  • As a result, my system is natively loading BrcmNic.kext, rather than Brcm4360 in your system. However, I think this won't cause boot loop. And I don't need to add brcmfx-driver=1 in boot-arg (becasue it's default).
  • The loaded kext info can be found by about this mac->Software, Extensions

@msedekhyh
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I could not Make it work with the provided steps, the card Works perfectly in windows, im just punished to use a trash low speed usb wifi and having no bluettoth

@22dm
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22dm commented Nov 10, 2019

@22dm I've also got my DW1820A working, described in #113
Maybe you can also try those steps ?

The main difference with your solution is that:

  1. I disable PCIE ASPM in bios, which is suggested in this post
  2. I don't need to add property pci14e4,4353 into the config.plist.
  • As a result, my system is natively loading BrcmNic.kext, rather than Brcm4360 in your system. However, I think this won't cause boot loop. And I don't need to add brcmfx-driver=1 in boot-arg (becasue it's default).
  • The loaded kext info can be found by about this mac->Software, Extensions

Thanks, It works very well. I have tried a similar attempt, but I have not disabled PCIE ASPM, and if I don't disable it, it will cause bootloop.

BrcmPatchRAM3 (2.5.0) seems still prevent me from connecting to my mouse (M590) and keyboard (K375) via bluetooth. However, I can connect to my iPad Pro, while AirDrop and Sidecar are also working.

@msedekhyh
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msedekhyh commented Nov 10, 2019

@22dm I followed your steps and it didnt work, then changed the PCIE ASPM in bios, did your steps and boom.. everything working 100%,, would love if you add the DW1820 driver as an option in the hac-mini installation.. now i got a GOLD build, no adapters no anything, 2 m.2 nvme samsungs 1 with windows and 1 with macos'
Hands down the hades canyon is the best hackintosh in the world

@22dm
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22dm commented Nov 11, 2019

@22dm I followed your steps and it didnt work, then changed the PCIE ASPM in bios, did your steps and boom.. everything working 100%,, would love if you add the DW1820 driver as an option in the hac-mini installation.. now i got a GOLD build, no adapters no anything, 2 m.2 nvme samsungs 1 with windows and 1 with macos'
Hands down the hades canyon is the best hackintosh in the world

So what’s the version of your card? Is it CN-08PKF4 or CN-096JNT?

osy pushed a commit that referenced this issue Nov 11, 2019
@osy
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osy commented Nov 11, 2019

Please test the pkg in the pull request (above)

osy pushed a commit that referenced this issue Nov 11, 2019
@msedek
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msedek commented Nov 12, 2019

CN-08PKF4
CN-08PKF4

@osy osy closed this as completed in 19561fa Nov 12, 2019
@SSebo
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SSebo commented Nov 14, 2019

CN-0VW3T3 works like a charm! THX

@zdaxie
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zdaxie commented Dec 11, 2019

@SSebo Hi, I wanna know if I want to work with CN-0VW3T3, is there anything need to be changed according to what mentioned in this issue?
Thanks a lot!

@osy osy added the wireless Wireless networking issues label Dec 21, 2019
@chatelp
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chatelp commented Feb 5, 2020

Hi there,

I'm also trying to make my DW1820A (model CN-08PKF4) work under Catalina. After following the advices here, my Wifi is working, but can't connect to bluetooth devices. Like many of you it seems. Is there any new advice/solution in Feb 2020?

  • My loaded BT firmware version is v7 c44689, although it looks like that BrcmPatchRAM is not able to connect to the device at boot time (see boot log bellow)
  • On the kext site, I'm using BrcmPatchRAM-2.5.1-RELEASE in S/L (BrcmBluetoothInjector.kext, BrcmFirmwareRepo.kext and BrcmPatchRAM3.kext). I also tried first the vanilla / boot injection first with clover (swapping BrcmFirmwareRepo.kext with BrcmFirmwareData.kext) but same result.
  • My device properties is as follows:
<key>PciRoot(0x0)/Pci(0x1C,0x1)/Pci(0x0,0x0)</key>
            <dict>
                <key>AAPL,slot-name</key>
                <string>WLAN</string>
                <key>compatible</key>
                <string>pci14e4,4353</string>
                <key>device_type</key>
                <string>Airport Extreme</string>
                <key>model</key>
                <string>Dell DW1820 (BCM4350) 802.11ac wireless</string>
                <key>name</key>
                <string>Airport</string>
                <key>pci-aspm-default</key>
                <integer>0</integer>
            </dict>
  • My boot args are as follows:
<key>Arguments</key>
        <string>kext-dev-mode=1 amfi_get_out_of_my_way=1 dart=0 -igfxnohdmi brcmfx-country=#a rtcfx_exclude=56-58 brcmfx-driver=1</string>
  • I didn't see any ASPM option to disable in my BIOS, but there is the pci-aspm-default/0 entry in clover. Is that enough?

What's less clear to me:
- I saw multiple advices on forums about checking USB? My System Informations says that BCM2045AO is "internal". Is that enough?
- Is there anything else I can try?

Boot log from BrcmPatchRAM:

Filtering the log data using "process == "kernel" AND composedMessage CONTAINS[c] "brcm""
Skipping info and debug messages, pass --info and/or --debug to include.
Timestamp                       (process)[PID]
2020-02-04 22:36:05.093980+0100  localhost kernel[0]: (IO80211Family) <IO80211Family`IO80211Controller::init(OSDictionary*)> AirPort_BrcmNIC::init AirPortFamily_kexts-1580.2 "AirPortFamily_kexts-1580.2" Jan  9 2020 21:50:21
2020-02-04 22:36:05.094015+0100  localhost kernel[0]: (AirPortBrcmNIC) <AirPortBrcmNIC`osl_iolog_withtimestamp> ARPT: 1.094012: AirPort_Brcm43XX:probe:, this[0x5726cc79de9f6595]  score[2048]
2020-02-04 22:36:05.094030+0100  localhost kernel[0]: (IO80211Family) <IO80211Family`IO80211Controller::init(OSDictionary*)> AirPort_BrcmNIC::init AirPortFamily_kexts-1580.2 "AirPortFamily_kexts-1580.2" Jan  9 2020 21:50:21
2020-02-04 22:36:05.094048+0100  localhost kernel[0]: (AirPortBrcmNIC) <AirPortBrcmNIC`osl_iolog_withtimestamp> ARPT: 1.094046: AirPort_Brcm43XX:probe:, this[0x5726cc79dfeca595]  score[1400]
2020-02-04 22:36:05.094060+0100  localhost kernel[0]: (IO80211Family) <IO80211Family`IO80211Controller::init(OSDictionary*)> AirPort_Brcm4360::init AirPortFamily_kexts-1580.2 "AirPortFamily_kexts-1580.2" Jan  9 2020 21:50:21
2020-02-04 22:36:05.094076+0100  localhost kernel[0]: (AirPortBrcm4360) <AirPortBrcm4360`osl_iolog_withtimestamp> ARPT: 1.094074: AirPort_Brcm43XX:probe:, this[0x8dfdfc16f0fb27f7]  score[1110]
2020-02-04 22:36:08.302842+0100  localhost kernel[0]: (IO80211Family) <IO80211Family`IO80211Controller::init(OSDictionary*)> AirPort_BrcmNIC::init AirPortFamily_kexts-1580.2 "AirPortFamily_kexts-1580.2" Jan  9 2020 21:50:21
2020-02-04 22:36:08.302895+0100  localhost kernel[0]: (IO80211Family) <IO80211Family`IO80211Controller::init(OSDictionary*)> AirPort_BrcmNIC::init AirPortFamily_kexts-1580.2 "AirPortFamily_kexts-1580.2" Jan  9 2020 21:50:21
2020-02-04 22:36:08.302919+0100  localhost kernel[0]: (IO80211Family) <IO80211Family`IO80211Controller::init(OSDictionary*)> AirPort_Brcm4360::init AirPortFamily_kexts-1580.2 "AirPortFamily_kexts-1580.2" Jan  9 2020 21:50:21
2020-02-04 22:36:08.302990+0100  localhost kernel[0]: (AirPortBrcm4360) <AirPortBrcm4360`osl_iolog_withtimestamp> ARPT: 5.398926: AirPort_Brcm43XX:probe:, this[0x8dfdfc16f0edf7f7]  score[1110]
2020-02-04 22:36:08.320802+0100  localhost kernel[0]: (kernel) BrcmPatchRAM: Version 2.5.1 starting on OS X Darwin 19.3.
2020-02-04 22:36:08.441690+0100  localhost kernel[0]: (AirPortBrcm4360) <AirPortBrcm4360`osl_iolog_withtimestamp> ARPT: 5.537627: BRCM tunables:
2020-02-04 22:36:08.942980+0100  localhost kernel[0]: (BrcmFirmwareRepo) <BrcmFirmwareRepo`BrcmFirmwareStore::loadFirmwareFile(char const*, char const*)> BrcmPatchRAM: Loaded firmware "BCM4350C5_003.006.007.0222.4689_v8785.zhx" from resources.
2020-02-04 22:36:08.943266+0100  localhost kernel[0]: (BrcmFirmwareRepo) <BrcmFirmwareRepo`BrcmFirmwareStore::loadFirmware(unsigned short, unsigned short, OSString*)> BrcmPatchRAM: Decompressed firmware (12582 bytes --> 31740 bytes).
2020-02-04 22:36:08.943524+0100  localhost kernel[0]: (BrcmFirmwareRepo) <BrcmFirmwareRepo`BrcmFirmwareStore::loadFirmware(unsigned short, unsigned short, OSString*)> BrcmPatchRAM: Firmware is valid IntelHex firmware.
2020-02-04 22:36:09.045125+0100  localhost kernel[0]: (kernel) BrcmPatchRAM: uploadFirmware could not open the device!
2020-02-04 22:36:09.045131+0100  localhost kernel[0]: (kernel) BrcmPatchRAM: Processing time 0.101 seconds.
2020-02-04 22:36:09.049014+0100  localhost kernel[0]: (kernel) BrcmPatchRAM: Version 2.5.1 starting on OS X Darwin 19.3.
2020-02-04 22:36:09.149684+0100  localhost kernel[0]: (kernel) BrcmPatchRAM: [0a5c:6412]: USB [F828196A1998 v274] "BCM2045A0" by "Broadcom Corp"
2020-02-04 22:36:09.152125+0100  localhost kernel[0]: (kernel) BrcmPatchRAM: [0a5c:6412]: Firmware upgrade not needed.
2020-02-04 22:36:09.152257+0100  localhost kernel[0]: (kernel) BrcmPatchRAM: Processing time 0.103 seconds.
2020-02-04 22:36:09.668802+0100  localhost kernel[0]: (IO80211Family) <IO80211Family`IO80211Controller::logDebug(char const*, ...)> AirPort_Brcm4360::getSSIDData(): Get failure: APPLE80211_IOC_SSID: 6
2020-02-04 22:36:12.820869+0100  localhost kernel[0]: (IO80211Family) <IO80211Family`IO80211VirtualInterface::init(IO80211Controller*, ether_addr*, unsigned int, char const*)> IO80211VirtualInterface::AirPort_Brcm4360_P2PInterface::init name <p2p0> role 1
2020-02-04 22:36:12.821841+0100  localhost kernel[0]: (IO80211Family) <IO80211Family`IO80211P2PInterface::init(IO80211Controller*, ether_addr*, unsigned int, char const*)> AirPort_Brcm4360_P2PInterface::init <p2p> role 1
2020-02-04 22:36:12.823553+0100  localhost kernel[0]: (IO80211Family) <IO80211Family`IO80211VirtualInterface::init(IO80211Controller*, ether_addr*, unsigned int, char const*)> IO80211VirtualInterface::AirPort_Brcm4360_P2PInterface::init name <awdl0> role 4
2020-02-04 22:36:12.823572+0100  localhost kernel[0]: (IO80211Family) <IO80211Family`IO80211P2PInterface::awdlAttachToBpf()> AirPort_Brcm4360_P2PInterface::awdlAttachToBpf name <awdl0> role 4 successful attach to bpf type 147
2020-02-04 22:36:12.839765+0100  localhost kernel[0]: (IO80211Family) <IO80211Family`IO80211P2PInterface::init(IO80211Controller*, ether_addr*, unsigned int, char const*)> AirPort_Brcm4360_P2PInterface::init <awdl> role 4

@chatelp
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chatelp commented Feb 5, 2020

Found solution: https://osxlatitude.com/forums/topic/12392-solved-7490-catalina-dw1820a-bluetooth-problem/

@songssam
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It is not available

@swatchie-1
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Hi guys. Got the DW1820a too. But can Apple WAtch's Auto Unlock feature work reliably each time you sleep and wake your machine?

@deftdawg
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Just installed an DW1820A (CN-08PKF4), downloaded the latest HaCMini.pkg and ran it adding the DW1820A support, rebooted and I wifi and bluetooth, however the bluetooth had dropouts (tested a bluetooth speaker and a magic pad).

Various versions of kexts on this thread, however wasn't successful... (I didn't modify my config.plist, just swapped kexts into the EFI kexts folder)

Finally I tried the set that @chatelp suggested and I removed BrcmPatchRAM3.kext as BrcmPatchRAM2.kext was included with the bunch, rebooted and audio drop outs stopped, now playing songs on my speaker 10 ft away no problem.

For the magic pad, I thought I'd try changing the batteries and that seemed to do it, so looks like it's good.

Attached is the kexts at the link:
BT for DW1820A Ver.2.zip

@lmshsqlc
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@deftdawg im curious what’s your macos version. According to BrcmPatchRAM, BrcmPatchRAM3.kext should be there for 10.15. And only one of the three BrcmPatchRAMs should exist.

@deftdawg
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deftdawg commented Jun 16, 2020

@lmshsqlc 10.15.4 (19E287), I have BrcmPatchRAM2.kext, RAM3 was there but I deleted it. I also have BT4LEContinuityFixup.kext that came with one of the previous ones on the tonymacx86 thread I mentioned in my last post, but it didn't help with the Bluetooth audio drops, so I assume it isn't actually doing anything.

@lmshsqlc
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@deftdawg try use the original BrcmPatchRAM repository as your manual as tonymacx86 is not a legit manual. It might have some deprecated solutions.
In this case, the continuity fixup is no longer needed. And BrcmPatchRAM3 needs BrcmBluetoothInjector in order to make it work in macOS 10.15.

Follow this manual and you should be alright.
https://github.com/acidanthera/BrcmPatchRAM/blob/master/README.md

@deftdawg
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@lmshsqlc, it's not particularly important to me what version number is on the bits as long as the work... 😄
If they break down the line, I'll try that repo. 'til then I'll leave them be. Thanks though.

attilagyorffy pushed a commit to attilagyorffy/XPS9570-Catalina that referenced this issue Nov 15, 2020
Removes further configuration in config.plist under DeviceProperties and redownload acidanthera’s Brcm and AirportBrcmFixup kexts

Taken from:

https://github.com/acidanthera/AirportBrcmFixup/releases/tag/2.1.1
https://github.com/acidanthera/BrcmPatchRAM/releases/tag/2.5.5

Potentially more info at the following links to further understand what’s going on:

osy/HaC-Mini#91
osy/HaC-Mini#243
@jack338c
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By the way, there is a bug: If you boot into Linux / Windows and comeback to macOS, Wi-Fi and Bluetooth will be unusable (appears but won't work). In order for it to work again, you need to unplug the power cord and wait a few seconds before plugging it in.

@HorstBrack75 my dw182pa have this bug too
Could you tell me how to apply this https://github.com/osy86/HaC-Mini/files/3775723/99V46.zip ? is thiis only for windows or for all:windows ,mac and linux?

thanks

@jack338c
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hello @22dm

I have make my wndows 10 and linux use same firmware BCM4350C5_003.006.007.0222.4689.hex.
but I don't how to make it on my mac big sur

please help me

thanks

@HorstBrack75
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HorstBrack75 commented Aug 5, 2021

By the way, there is a bug: If you boot into Linux / Windows and comeback to macOS, Wi-Fi and Bluetooth will be unusable (appears but won't work). In order for it to work again, you need to unplug the power cord and wait a few seconds before plugging it in.

@HorstBrack75 my dw182pa have this bug too
Could you tell me how to apply this https://github.com/osy86/HaC-Mini/files/3775723/99V46.zip ? is thiis only for windows or for all:windows ,mac and linux?

thanks

That is the windows driver.
I don´t think that you need to mess around with this any longer. It seems to be fully supported and integrated in the HacMini installer since quite a while now and seems not to depend on the windows firmware any longer.

@jack338c
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jack338c commented Aug 5, 2021

That is the windows driver.
I don´t think that you need to mess around with this any longer. It seems to be fully supported and integrated in the HacMini installer since quite a while now and seems not to depend on the windows firmware any longer.

Thanks for your reply
well,Actually I use DW1820A on my X250 https://github.com/CLAY-BIOS/Lenovo-ThinkPad-T450s-Hackintosh-OpenCore ,not from HacMini installer.
This issue is really annoying to me. and I asked the above github code owner.he had no idea too.

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