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The USB port on your smartphone serves not only for charging but also enables data transfer, OTG flash drives, external hard drives, and various third-party accessories. However, utilizing an unverified or non-certified accessory can adversely impact your device’s battery health and jeopardize your private data. Current smartphones come equipped with sizeable batteries that manufacturers assert can last throughout the day, yet they frequently deplete within hours, even when performing basic tasks like surfing the web and employing common applications. For users who depend on their phones for payments, flight boarding information, or crucial work emails, it becomes problematic when the battery runs low during commutes or travels. In such situations, the temptation to utilize public charging stations or low-cost cables with quick-charging power banks to swiftly boost the battery can be high.
Some individuals even connect popular gadgets such as mini fans, LED lights, or an endoscope camera to their smartphones via the USB port. Linking an external device through the USB port can expose your personal data and device to significant risks. While these devices might appear convenient for tasks like data transfer or using your phone as an endoscope camera, connecting them can lead to serious repercussions. Here are some devices you should never connect to your phone’s USB port.