Does the Galaxy A53 5G allow reverse charging?

Yes, you can charge your other devices, such as phones, earbuds, etc., by connecting your Galaxy A53 5G to them.

You’ll need a USB cable and an OTG adaptor.

Connect the OTG adaptor to your Galaxy A53 5G, and then use the USB cable to connect the OTG adaptor to the device you want to charge. The charging will start immediately without the need to turn on any options.