Your new photos and videos can now appear instantly on all your devices, no matter what OS is running on the device or computer you use to take or import new photos/videos.
Tap on the settings menu in the action bar, then touch ‘Camera uploads’.
Activate ‘Use cellular data’ by swiping the activation button right.
Tap on the menu button in the action bar, then go to ‘Settings’.
Check the ‘Back up photos & videos’ option. You’re done!