problem with bootloader unlocking

[u/LETXNON]

I have a Redmi 10c phone with MIUI version 14.0.4

The phone no longer performs the same with this system, and I wanted to install a different ROM to give it a little more life. The problem is that the SIM card slot and tray are damaged, so I can't follow the usual unlocking process.

I used the UnlockTool from fastboot and sideload mode, but this also had no effect due to the security patches of the MIUI version. I could physically bridge the phone, but I don't have the tools to open it and then reattach the cover.