Please tell us some basic information before asking for help:
Model Name: ZenPhone Max Plus M1
Firmware Version:16.02.1905.435-20190605
Rooted or not: No
Frequency of Occurrence: Android 9
APP Name & APP Version (If your issue relates to the app):
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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Trying to get the bootloader unlocked app will not function tells me to try again later