How to backup contacts and sms messages from Lenovo IdeaPhone K900

In our guideline we will introduce PhoneCopy.com service which supports many phones from almost all manufacturers, including Lenovo IdeaPhone K900, and can be easily used to synchronize data between two or more devices.
Download PhoneCopy for Android to your Android phone, which you can download free of charge. After downloading and installation, go through following steps.
Backup contacts and SMS from your Android
Run the app and create new account. You can check which contact databases you want to backup and synchronize. You can do multiple choice.
After successful login, press "Advanced & Account". Select "One-way sync" and after choose "This device >> server".
Contacts from your Android phone will be copied to PhoneCopy.com server in few seconds.
Your data is now safe on PhoneCopy. The service stores a full copy of your contacts online, so you can access them from any device or restore them whenever needed.
Some additional tips:
PhoneCopy keeps a detailed sync history for your account. If you accidentally delete a contact, you can recover it from an earlier backup without losing any other data.