[Bug] Failed to install Pybricks Firmware on TechnicHub 88012

[yolgs]

Describe the bug Error message when trying to install firmware on Lego TechnicHub 88012 when using Pybricks (v3.2.3 - Pybricks Code v2.1.1). Browser: Edge.

InstanceId : USB\VID_0A5C&PID_6412\3052CB80EBF6 MAC : 3052CB80EBF6 DriverDescription : Dell Wireless 1820A Bluetooth 4.1 LE DriverVersion : 12.0.1.720 ErrorRecovery : None ScoType : Unknown

To reproduce Steps to reproduce the behavior:

1. Open Edge
2. Go to Pybricks
3. Click on Install Firmware
4. Select Lego TechnicHUb 88012
5. Press button on Hub until it blinks purple
6. Click on Install
7. Pair with LegoBootloader --> then installation / Pairing window disappears and error message see below pops up.

Expected behavior Firmware installed and hub ready to be run from Pybricks

ErrorMessage in Pybricks:

Error: Failed to execute 'getPrimaryService' on 'BluetoothRemoteGATTServer': GATT Server is disconnected. Cannot retrieve services. (Re)connect first with `device.gatt.connect`.
    at P.<computed> (https://code.pybricks.com/static/js/main.a3e3d8b4.js:2:1479169)
    at https://code.pybricks.com/static/js/main.a3e3d8b4.js:2:1483081
    at m (https://code.pybricks.com/static/js/main.a3e3d8b4.js:2:1484027)
    at h (https://code.pybricks.com/static/js/main.a3e3d8b4.js:2:1483538)
    at u (https://code.pybricks.com/static/js/main.a3e3d8b4.js:2:1483810)

Screenshot:

[dlech]

We've had a number of people report this issue. You can review the similar issues with this search.

I think for some people, using a different Bluetooth adapter made a difference (but I might be confusing that with a different issue).

Also be sure to check out the tips at https://github.com/orgs/pybricks/discussions/270 to make sure it is not something easy like disconnecting all other Bluetooth devices or having a low battery.