Please tell us some basic information before asking for help:
Model Name: ZS661KS
Firmware Version: WW_17.0823.2009.99
Rooted or not: NO
Frequency of Occurrence:. FROM DAY ONE.
APP Name & APP Version (If your issue relates to the app): NOTHING SPECIFIC
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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