Android Data Recovery
Export Photos from Android to Computer
Plug your device (make sure the device is on) or memory card reader (make sure your pictures are saved to the memory card) into your computer.
Click "My Computer" and find a new drive that has the brand/model of your mobile phone's name. Double-click on it and you should see a folder with the name "Photos" or "Images". Drag and drop them to your desktop or a new folder.
Note: Some Android devices can not connect with computers at the first try. If your PC has trouble detecting your handset, you'll need to unplug it from the USB port and try again.
On your desktop, go to the Dropbox.com website and log in to your account. Then click the "Photos" link to select the data you want to transfer and click "Download".
Android Transferring tool.
Download the software in computer and connect your handset to PC through QR code. Then click Photos>Export. The Android Transfer program is easy to perform, just follow the indication on the screen. It's a no-brainer. For more detail, you may refer to this tutorial: How to Transfer Photos between Android and Computer.
Tips: You can also use this program to copy other media files like music or video not only between phone and computer but two Android devices.