This is how I do a reverse image search from my phone or PC

Dragging an image from your desktop directly into the website's search bar. Copying the URL of an image on the web, then ...
Macworld

10 awesome ways to use your iPhone’s USB-C port (other than fast charging)

With the iPhone 16e, Apple has now switched every iPhone from Lightning to USB-C. Here's how to get the most out of it.