Please tell us some basic information before asking for help:
Model Name: Zenfone max Z010D
Firmware Version:WW_13.8.26.76_20161230
Rooted or not:no
Frequency of Occurrence:
APP Name & APP Version (If your issue relates to the app): Unlock device tool
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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