"I want to copy some photos from my friend's MacBook Pro to my iPhone. However, a warning came out, telling me that everything on my iPhone will be erased. Is there any way to transfer photo from Mac to an iPhone without any problem like that?"
If the Mac you're going to transfer photos from is not the Mac you usually synchronize with your iPhone, then you'll either fail of copy photos from Mac to iPhone or erase everything on your iPhone. To transfer photos from Mac to any iPhone freely, you should try Wondershare TunesGo Retro (Mac). It lets you move photos from a Mac computer to multiple iPhones without erasing any file. Below is how to use Wondershare TunesGo Retro (Mac) to achieve your goal in 2 steps.
Try Wondershare TunesGo Retro (Mac) to transfer photo from Mac to iPhone freely
Step 1. Connect iPhone with Mac
Download and install Wondershare TunesGo Retro (Mac). It's fully compatible with MacBook Pro, MacBook Air, and iMac running on Mac OS X 10.8, 10.7, and 10.6. And it supports iPhones, including iPhone 6s(Plus), iPhone 6(Plus), iPhone 5s, iPhone 4S, iPhone 5c, iPhone 5, iPhone 4, etc equipped with iOS 5, iOS 6, iOS 7, iOS 8 or iOS 9. Connect your iPhone with Mac. After TunesGo Retro (Mac) detects your iPhone, it will display your iPhone in the starting window.
Step 2. Transfer photos from Mac to iPhone
Click "Photos" in the left column to enter the Photos window. From here, at the top of the window, you'll see an icon named as "Add". Click it to browse your Mac for photos you want to transfer to iPhone. After find them, select them, and click "Open". Then you'll successfully move photos from Mac to iPhone.
In just a second, you can see that photos are transferred from Mac to your iPhone. And with Wondershare TunesGo Retro (Mac), you can manage these photos on your iPhone by creating photo albums to put them in. See, it's very easy to transfer photos from Mac to iPhone without iTunes, right? With this way, you'll no longer worry about files loss when copying photos from Mac to iPhone.
Watch the Video to Transfer Photos from a Mac to an iPhone without iTunes
Download Wondershare TunesGo Retro (Mac) to transfer photos from Mac to iPhone!