I recently backed up and factory reset my Samsung Galaxy S5, stock and running Lollipop. All the apps that were previously on the device were re-installed and run fine, and the phone mostly performs as it is supposed to.
However, I have just realized that I have missing files; my daughter's telephone number is no longer listed in my contacts (found out the hard way trying to speed dial during an emergency as I was driving), and some music files are missing. By and large the phone was restored to its original settings and works just fine, it's just that there are a few but important to me files missing here and there.
Is there any way to identify and recover all missing files? There are probably more that I just haven't found missing yet.