ROG Phone 1 hard bricked out of nowhere

[xenia1238w]

Please tell us some basic information before asking for help:
Model Name: zs600kl
Firmware Version: Android 9, not sure which one exactly
Rooted or not: no
Frequency of Occurrence: always
APP Name & APP Version (If your issue relates to the app): -
In addition to information above, please also provide as much details as you can, e.g., using scenario, what troubleshooting you've already done, screenshot, etc.
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I was using my phone normally when it froze and the speakers made a beep sound, so I held the power button for 10 seconds. The phone was rebooting and I saw the ROG logo but it never vibrated or changed color as usual, instead the screen went black after about a minute, it's stuck in EDL mode since. I had no luck finding the fitting firmware for this phone. I had this phone for about 3 years and then it broke. It was perfectly fine before, no damage at all. Asus wanted to replace the motherboard of the phone for a way too high price, even if they could have just flashed it because there clearly is no damage to the hardware. I don't know what to do anymore.

[xenia1238w]

@Danishblunt I have already installed them but it tells me I have a "driver error" when I open the device in device manager. Some sites told me I have to activate test sign mode and then install the EDL drivers, but Windows refuses to do that for safety reasons. I am 100% sure the phone is in EDL mode because it was recognised as qusb_bulk at first, but then I installed the drivers and now it has a different name. Probably it is happening because of the driver error, do you know how to fix it?

[Danishblunt]

xenia1238w

@Danishblunt I have already installed them but it tells me I have a "driver error" when I open the device in device manager. Some sites told me I have to activate test sign mode and then install the EDL drivers, but Windows refuses to do that for safety reasons. I am 100% sure the phone is in EDL mode because it was recognised as qusb_bulk at first, but then I installed the drivers and now it has a different name. Probably it is happening because of the driver error, do you know how to fix it?

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You have the restart windows with driver signature enforcement off.
Disable driver signature enforcement [Windows Guide]

[xenia1238w]

I forgot to reply but I did it now. I tried flashing the firmware but now I get Sahara error. I guess this isn't the right firmware or the storage is broken.

[ASUS_Bot]

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