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Unable to unlock bootloader on Zenfone 3?

Star II

Model Name: Zenfone 3 (ZE552KL)
Firmware Version: OPR1.170623.026.WW_Phone-15.0410.1807.75-0 (Build number)
Rooted or not: Not Rooted
Frequency of Occurrence: High
APP Name & APP Version (If your issue relates to the app): Unlock Device Tool (Official Bootloader Unlock) ZE552KL_SIGNED_UnlockTool_9.1.0.7_180912_fulldpi
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.
I've been trying to unlock my Zenfone 3 through the official ASUS unlock tool, but I am receiving this error when I click on the "Press to unlock your device" button. I have never rooted or unlocked the bootloader on this device before. Could I get some help on this?


Star II

Hi friends

The latest unlock tool of ZE552KL is now available on our official website! Please check the link below

View post
What about Ze550kl?

Community Legend II
Hi vtrguimaraes
Thank you for your asking. I have forwarded the information to the relevant department. We will keep you updated and your consideration will be very much appreciated.

Community Legend II
Hi vtrguimaraes
For ZE550KL, there will no longer have any maintenance. Sorry for any inconvenience this may cause. Thank you for your understanding and support.

oh nice info, thank you