When copying photos to my laptop I get the error message “The device is unreachable.” When I change Settings>Photos>Transfer to Mac or PC to Keep Originals it saves them as HEIM, which I am not able to view on my laptop. What do I do?
iPhone 7
See this Apple article: Transfer photos and videos from your iPhone, iPad, or iPod touch
https://https://support.apple.com/en-us/
With iCloud Drive you can securely access all of your photos & documents from your iPhone, iPad, iPod touch, Mac, or PC.
See this Apple articles below:
Set up iCloud Drive
https://support.apple.com/en-us/HT204025
Access and manage your files in iCloud Drive
Not sure exactly what you can do directly, but if you can manage to copy over the HEIC files, there are free online HEIC to JPEG converters.
Copying photos
