No way to know for certain the level of brick till you try to recover it using EDL/download method. It could be that the motherboard is actually totally damaged due to an overheat just to give you an example but again just trying to flash something in bricked mode you´ll know this.
All of this happened in the middle of the night
What level of brickage can you determine from this now?
And if the motherboard was totally damaged, it would or wouldn't recognise a QUSB_BULK device?
As I said before I don´t think that a dumper tool without a proper hardware can do the miracle so this would be the better option at the end....BUT try searching for some dumper tool and just can tell you how you can guide you about which tool could work for you.....:
Your device according this site is powered by a snapdragon 835 https://www.gsmarena.com/nokia_8_sirocco-9087.php so the Mobile Plattform is MSM8998, then if you find some tool and a list of devices supported although is not specifically your device you´ll have to check that some of them have also the same specs at this point.
You can try to dump any partition that the tool could claim to be capable and this by itself doesn´t have to erase nothing (don´t fear about your data) but this will depend in how reliable the tool is.
Please have a quick look and tell me what you think or how legit it is: https://www.droidsavvy.com/unbrick-qualcomm-mobiles/
This is the right status detection for qualcomm download mode; not QHUSB_BULK that is an old Q9006 but a Qdloader 9008 as the images reflect. But don´t open in this window but go to PC/Administrate and open Device Manager to get a better vision on the drivers installed and you´ll see your device detected under PORTS (COM and LPT)
I used the files in there for the unknown QUSB_BULK device and now it comes up Qualcomm HS-USB QDLoader 9008 (COM10).
As what was shown in the attached image.
Did I do the right thing?
Is this a good or a bad thing??
The way is very clear and the chances are there.
First you need to do is search for a dumper tool and try to dump I think specifically userdata partition so you have to take in account as I said before that this by itself can´t damage your device.
The next would be seeing if the tool is compatible with your MSM otherwise the tool can´t do it.
What´s the next?, pc recognised it, it´s ok but the tool doesn´t recognice it; it´s not so good.
At this point you´ll determine how many tools you want to try before to take the next step...
I'm not sure if granting USB access to internal storage is enough for the level that you are trying to access. Granting access to internal storage is pretty much only access to /data/media. You are trying to retreive data from areas that are not considered "internal storage".
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As always everyone, really appreciate your time and I always look forward to your kind posts 🙏