Unlock Tool not working 9.1.0.7_180912 (Network Error)

[Elvaan]

Model Name: ASUS_Z012DA
Firmware Version: WW_15.0410.1807.75_0
Rooted or not: Not Rooted
Frequency of Occurrence: Every time
APP Name & APP Version (If your issue relates to the app): 9.1.0.7_180912
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Hello, I need help unlocking an old device I own, I've downloaded the latest version of the unlocker for my phone but it gives a network error every time, can anyone help me with this?

[ASUS_Bot]

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