Hello. I had the same problem as you, you just need to reset your BIOS settings:
1. Turn off your tablet completely.
2. Hold the power button for 15-20 seconds.
3. Release the button and wait for 10-15 seconds.
4. Try to boot. If it didn’t work, your timings were off, try again.
This worked for me.
EDIT: also, I assume you have Hi10 with z8350 processor. These settings shouldn’t brick it:
DDR DVFS – Enabled
Frequency A selection – 1600
Frecuency B selectiin – 1067
Channel selection – Single Channel
DRAM Speed Grade – Fast