If you need to recover your iQOO Z6 Pro for $0:
If you are comfortable opening your phone (voids warranty), the EDL test points exist but are unmarked and tiny. They are usually two small circular pads near the processor or flash memory chip. iqoo z6 pro edl point free
Disclaimer: Shorting the wrong pins can permanently damage your phone. Proceed at your own risk. If you need to recover your iQOO Z6
On the iQOO Z6 Pro motherboard:
Again: There is no official diagram for free. You must search for high-res motherboard images on Chinese forums (e.g., 4pda, XDA-developers) or reverse-engineer it yourself. Again: There is no official diagram for free
This is the safest method for software-bricked devices where the screen is black but the vibration motor still works.