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DW1560 bluetooth on Catalina 10.15.1

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Today it's happened again. My bluetooth is turned on but I couldn't see or connect to any devices. I don't know why it's happen.
 
I'm still looking for a solution..
 
I tried install again followed this guide: https://www.insanelymac.com/forum/t...t-modification-for-wifi-and-bluetooth-issues/ BUT when I updated 10.15.2 beta, there was no bluetooth. So I install BT4LEContiunityFixup.kext and after reboot, bluetooth work again.
Screen Shot 2019-11-18 at 10.48.45.png
Screen Shot 2019-11-18 at 10.55.06.png
 
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I also tried yesterday to install macOS 10.15.2 Public Beta 1. If I'm not wrong, it was detected but it wasn't still working properly. After hibernation it was not detected anymore and I had sleep/wake loops. I have an SSDT for USBInjectAll.

I gave up - I'm going to try with BT4LEContiunityFixup...
 
Now there's no bluetooth. I think no update 10.15.2 beta until everything is ok. I must wait...
 

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I've just update 10.15.2 beta (19C39d) and now Bluetooth couldn't connect any device. I put BrcmPatch3.kext, BrcmFirmwareData.kext and BrcmBluetoothInjector.kext in Clover/kexts/other BUT nothing happen, my firmware Bluetooth is v14 c4096. Can help me to solve this problem. Thanks

I see a little miracle: If I boot in windows, connect bluetooth and I came back Catalina, the bluetooth can connect clearly. I found someone had the same problem like me in this link
 
It's me.. another user had this problem with the first beta versions of macOS Catalina. I tried to send him a PM, without any solution.
The main developer (Mieze) couldn't help me.

The problem is still present on macOS 10.15.2 Public Beta 1.
 
I used Time Machine to get back 10.15.1 and everything comming back. Now I have one problem: I can't use SD reader.
 
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