Unable to unlock bootloader, sn changed to C4ATAS000000
Please tell us some basic information before asking for help:
- Model Name: ZA550KL
- Firmware Version:15.07.2007.57
- Rooted or not: Not Rooted
- Frequency of Occurrence: Always
- 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.