Luckily, USB-C to SD card adapters are inexpensive. You're best off with an adapter that can read both regular SD and the smaller MicroSD type cards, since both are still relatively common.

Get the SABRENT SD Card Reader, High-Speed USB C to Micro SD Card Adapter, a compact, dual-slot memory card reader with USB 3.0 OTG support for SD, SDHC, SDXC, MMC, and microSD cards-ideal for ...

Don't struggle with deleting photos and files from your phone when you could have an affordable addition like this one to ...

The MagGo USB-C Adapter supports SD and microSD cards for storage and is MagSafe compatible to stay out of the way while your iPhone is recording. Never fill up your iPhone with 4K recordings again.

Fewer and fewer devices come with SD readers, meaning you'll need a USB-C to SD or MicroSD card reader adapter. Luckily, USB-C to SD card adapters are inexpensive.