Our K3 phone has a "cloud service" app, this is our mobile phone with the app we can back up the phone data to the cloud, so that the phone is back to the factory will not have problems.
We click on "cloud Services" on the Lenovo K3 desktop to open into the details as shown in the following figure
If we do not login will pop up to the "login interface", then we can log in, can use the cell phone number login, if not can be registered.
After logging in, we can make a few options like "contact, SMS, photo, call history, Application data, application" as shown in the following image
With a "contact" example, we can back up our contacts to the cloud by making a cloud backup of the contacts on our current phone, and, of course, back up the data on the cloud to the local.
In addition to the backup has "feature features", "Full backup", "Full recovery" of the two options, we can quickly in the opponent all the data backup and restore operations.
There is a "security lock" this feature can be added to the phone's app lock, that is, open the software need to enter a password to