Your phone has a USBC port, which is the same port for charging, You would need a USBC to USBC cable to use Samsung smart switch, Any cable would work correctly
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Amazon.com: Anker USB to USB C Cable, USB A to Type C Charger Cord (2 Pack, 6FT), for Samsung Galaxy Note 10/S10+ S10, LG V30 (USB 2.0, Black) : Electronics
You need a usb cable that has 2 data wires included with charging wires. The phone takes usb c cable and your pc, whatever is available usb c or a. Look for charging usb cables with data wires. There is many to choose from and they are not expensive. A15 has usb c slot on the bottom of the phone.
To connect your Galaxy A15 to your PC for transferring photos, you'll need a USB cable with a USB Type-C connector on one end (for your Galaxy A15) and a USB Type-A connector on the other end (for your PC). Here’s what you should look for:
1. USB-C to USB-A Cable: This is the most common type of cable you'll need. The USB-C end will connect to your Galaxy A15, and the USB-A end will plug into your PC.
You can find these cables at most electronics stores, online retailers like Amazon, or even in phone accessory shops. Look for a cable that supports data transfer, as some cheaper cables may only support charging.
