Huawei Nova 5T User Manual page 58

Smart tune-up: If this option is selected, the system will obtain the latest app configuration data
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from the cloud to ensure better app performance.
Auto-clean junk files: If this option is selected, the system will automatically identify junk files and
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permanently delete them after 14 days.
Auto-update cleanup database and Online virus scan: Auto-update the cleanup database, or
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scan for viruses under the conditions of Wi-Fi only or Wi-Fi and mobile data. Select Never to
disable these options.
The virus scan reminder is enabled by default. You will be notified if no anti-virus scan has been
performed for more than 30 days.
Optimizer
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