Bootloader Unlock app not working

Please tell us some basic information before asking for help:
- Model Name:Asus_X00TDB (ZB602KL)
- Firmware Version:OPM1.WW_Phone-15.2016.1808.326-20180828
- Rooted or not:No
- Frequency of Occurrence:Always
- APP Name & APP Version (If your issue relates to the app): Asus official unlock app.
Im trying to unlock my bootloader but everytime i run the offical app I get an error "an unkown error occurs, which may be a network connection issue. Please wait and try again".
I have been trying for the last few hours with the same result both connected to wifi and over 4G. A google search shows others are having this issue. How can it be recified as the only reason i purchased this phone over other was the advertised ease of unlocking the bootloader. Any help would be appreciated.
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Update:
I have updated manually to WW-16.2017.1912.060 firmware and done a factory reset but the unlock app still gives the same result. the other issue perhaps related is when i check for system updates on the phone none come up. The phone is brand new and never been unlocked before.
Hi jamiecoltart
Due to further processes involving personal information(SN), please check your inbox and reply to the PM.
Dear friend
After checking with the relevant team, the issue is now under investigation. For people who purchased the device from authorized reseller, first hand device and never rooted or unlocked your device, please wait for my reply in this thread. Sorry for any inconvenience it may caused.
Hi, I have this Asus 6z I ordered from flipkart. I had locked the bootloader before, but after getting it back from the service centre, I'm unable to unlock it. Please help. I think my IMEI is blacklisted or something.
Hi friends
The latest Unlock Tool is now available on our official website. I put some of the models, which I recalled someone had asked in this thread, as below
# ZenFone 5 (ZE620KL) Unlock Tool
https://www.asus.com/Phone/ZenFone-5-ZE620KL/HelpDesk_Download/
# ZenFone 5Z (ZS620KL) Unlock Tool
https://www.asus.com/Phone/ZenFone-5Z-ZS620KL/HelpDesk_Download/
# ZenFone Max Pro M1 (ZB601KL/ZB602KL) Unlock Tool
https://www.asus.com/supportonly/ZenFone%20Max%20Pro(M1)(ZB602KL)/HelpDesk_Download/
# ZenFone Max Pro M2 (ZB630KL/ZB631KL) Unlock Tool
https://www.asus.com/Phone/ZenFone-Max-Pro-M2/HelpDesk_Download/
For Pad-type models, there will no longer be any system updates and maintenance. Sorry for any inconvenience this may cause. Thank you for your understanding and support.
Oh, so when is the one for 6z coming? Any eta?
Hi kenturky
Thank you for your reply.
Which model do you mean, do you mean ZenFone 6 (ZS630KL)? Please provide me your model name more accurately.
# ZenFone 6 (ZS630KL) Unlock Tool
https://www.asus.com/Phone/ZenFone-6-ZS630KL/HelpDesk_Download/
To whom it may concern, please check on the official website of your model first.
ASUS global>Your model>Support>Driver & Utility>Driver & Tools
Yes I have the zs630kl model in India, but I'm unable to unlock the bootloader with the latest unlock tool 9.2.0.0. I keep getting an error saying an unknown error occured which may be a network issue. Please try again later and in square brackets [104]
@Christine_ASUS can you please send me a pm and check my sn/imei or something? I think my IMEI is blacklisted, and will not unlock because the phone was unlocked earlier. Please find out why my phone isn't getting unlocked. Thank you.
I have the same issue, they probably will never answer you. I'm still waiting. If they answer you please let me know.
Yes will do. Really frustrated that I'm unable to unlock the bootloader. I wanna try Bliss Rom. I hear that one has the max no of customizations.
If I use the official method of unlocking bootloader, will the method to install TWRP (via fastboot) be any different?
Hi kenturky and PelleHD
Please check your inbox and reply me the essential information. Thank you.
I'm also unable to unlock my bootloader of my asus zenfone 6 this network eror is poping up again and again please help.
@Christine_ASUS please help to unlock my banned account
Hi friends
Thank you for your asking. For people who purchased the device from authorized reseller, first hand device and never rooted or unlocked your device, please report in the community of your model.
# ZenFone6