Select the "Flat Build" type in QFIL, load the content, and click . Once the process is finished, your ZenFone 5Z will reboot, and the system should be restored to its factory state. Conclusion
Ensure you use correct firmware. The ZS620KL ships with: zs620kl test point
After entering 9008 mode via the test point, proceed to flash stock firmware: Select the "Flat Build" type in QFIL, load
You will need to locate and short the test point on your ZS620KL if you experience any of the following scenarios: load the content