Zenfone 3 - Cannot unlock bootloader

ImagihmImagihm Level 1
edited September 2021 in Others
  1. Model Name: ZE520KL
  2. Firmware Version: WW_15.0410.1807.75_0
  3. Rooted or not: Not rooted
  4. Frequency of Occurrence: High
  5. APP Name & APP Version (If your issue relates to the app): Unlock Device Tool, version 9.2.0 (filename: ZE520KL_UnlockTool_9.2.0.0_200807_fulldpi.apk)


I'm trying to use the official unlock tool to unlock my Zenfone's bootloader. Whenever I click the unlock button, I get the following error message (see screenshot): "An unknown error occurs, which may be a network connection issue. please wait and try again later [105]"

Any ideas on how to solve this?


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