PM90 Android 9 User Manual
74
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OS Update
OS Image update from the FOTA
Touch to cancel the download process
By touching the OK button, your PM90 start to update the
OS image.
Please save the data before restart to complete OS update
process.
Note: Default OS image download setting of FOTA
Client is “Download over Wi-Fi only” Please connect to
the nearby Wi-Fi network for FOTA service
Remaining battery level must be higher than 20%.
Otherwise PM90 will not start OS update process.
Please check battery level first
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