Android 16’s Upcoming Feature May Slow Down Your Smartphone’s Charging Speed

The upcoming Android 16 update is expected to introduce a new feature that may impact how quickly your smartphone charges, raising concerns for users who prioritize fast charging and rely on their devices throughout the day.
Tl;dr
Addressing a Subtle Vulnerability: The USB Port
In the ever-intensifying race for smartphone security, Google is preparing to introduce an intriguing update with the upcoming release of Android 16. Of particular interest within its new « Advanced Protection » menu is a tool called « USB Protection », which targets a frequently overlooked point of attack—the USB port. Historically, plugging a device into an unfamiliar cable or accessory carried silent risks. Now, however, this new measure limits the phone’s USB-C port to power supply alone whenever the screen remains locked.
A Shift in Data Access Protocols
According to insights from Mishaal Rahman of Android Authority, attempts at unauthorized data access via the USB port will be systematically blocked by default as long as the device is secured. In plain terms, even if someone with malicious intent tries to exploit physical access during a locked state, your personal information remains protected—unlocking via passcode or biometric method instantly restores full functionality.
The Unintended Consequence: Fast Charging Impacted
Yet, bolstering defenses can come with trade-offs that aren’t always obvious at first glance. It turns out that enabling « USB Protection » can inadvertently disable one convenience users have come to expect: fast charging. Observations from recent beta versions suggest that some proprietary fast-charging protocols require an initial data handshake between charger and device—a process blocked when this extra layer of security is active and the screen is still locked.
To clarify how this plays out for everyday use:
It appears that universal standards like USB Power Delivery (USB-PD), however, are unaffected for now.
Navigating Security and Daily Use
Ultimately, the question lingers: Will users accept waiting longer for a full charge if it means greater data protection? This delicate balancing act—between safeguarding digital privacy and preserving everyday convenience—epitomizes the modern struggle facing tech companies and consumers alike. After all, in striving to outpace increasingly sophisticated threats, we may find ourselves waiting just a little bit longer at the charger… all in the name of peace of mind.