Please tell us some basic information before asking for help:
Model Name: ZS661
Firmware Version:WW-17.0823.2007.32
Rooted or not:NO ROOT
Frequency of Occurrence:
APP Name & APP Version (If your issue relates to the app):Version V9.1.0.19
In addition to information above, please also provide as much details as you can, e.g., using scenario, what troubleshooting you've already done, screenshot, etc.
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I TRIED TO UNLOCK THE BOOTLOADER BY THE APP AND HE SAYS IT UNLOCK BUT WHEN I GO TO FASTBOOT IT IS LOCKED !!