Instructions apply to most iPhones and modern digital cameras.

Use the Cloud or Wi-Fi

Dropbox

The most effective solution relies on wireless networking technology.

Most modern professional or prosumer cameras now feature Wi-Fi or Bluetooth radios.

Dropbox Photos

Dropbox

Just plug a USB cable into your camera and connect it to this special machine.

Then, plug this adapter into the Lightning port on your iPhone.

The Photos app on your iPhone then launches.

Apple Lightning to USB Camera Adapter

image credit: Apple Inc.

Tap theImportbutton to transfer the photos.

Tap eitherImport Allor opt for individual photos you want and tapImport.

You’ll have to installNikon’s Wireless Mobile Utility appto transfer the images.

Apple Lightning SD Card Reader

image credit: Apple Inc.

Canon offers a similar rig: the SD-card-style W-E1 Wi-Fi Adapter.

Other wireless adapters and SD cards are also available.

One popular choice is the Leef iAccess reader.

Nikon Wireless Mobile Adapter

image credit: Nikon

Depending on the accessory, you may need to install an app.

The Leef unit requires itsMobileMemoryapp, for instance.

If it is, then unplug the adapter, wait about 30 seconds, and plug it in again.

Leef iAccess SD Card Reader

image credit: Leef

Unplug the camera or SD card, wait about 30 seconds, and take another crack.