How to UNBRICK?

Hi, everybody

I had the brilliant idea to try to re-lock the bootloader after installing a custom ROM, now my Acquaris X Pro is bricked. ?

I realized that the only way to resurrect it is to use Qualcomm Flash Image Loader (QFIL) by loading the original firmware. The software starts and reveals the Qualcomm HS-USB Diagnostics 900E (COM3) interface and asks me to load the contents.xml file of the programmer.

I then downloaded the latest firmware from the official...

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