Please tell us some basic information before asking for help:
Model Name:ZB602KL
Firmware Version:424
Rooted or not:NO
Frequency of Occurrence: ?
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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Would anyone know why version 424 can't update to version 429 by putting the file in the device's internal memory?
