Phone numbers -- Sync your contacts with your Google account on the 3D. They'll be there when you sign in to your Google account on the 4G LTE.
Pictures and video -- Plug your 3D into your computer through the USB cable. Choose "Disk Drive Mode," then copy all the files you want to your computer. After all the files are on your computer, unplug the 3D from your computer and plug the 4G LTE in...