The Galaxy A04 series from Samsung is capable of supporting USB OTG (On-the-Go) connection, allowing users to connect the phone to a pendrive or other USB devices.
Samsung A04
How to Lock Apps on Samsung A04 to Keep It Safe
One way to maintain security and privacy besides locking your smartphone with a password, you can also lock certain applications. So that not everyone can easily open the application that you lock. Especially for those of you who use Samsung phones.