add info on disabling USB charging
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@ -297,6 +297,13 @@
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toggle end up continuing to allow new USB connections in the OS until all
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toggle end up continuing to allow new USB connections in the OS until all
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connections end instead of the two-phase approach we use for our two
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connections end instead of the two-phase approach we use for our two
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Charging-only when locked modes.</p>
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Charging-only when locked modes.</p>
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<p>The highest security <b>Off</b> mode disables charging in addition to
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data to remove the remaining attack surface from the USB controller and OS
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supporting charging including the USB-PD protocol. There's no risk of the
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device not being able to be charged since the overall feature doesn't apply
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while the device is powered off, booted into the firmware-based fastboot
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mode or the charging, recovery and fastbootd modes.</p>
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</section>
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</section>
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<section id="exploit-mitigations">
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<section id="exploit-mitigations">
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