How to backup contacts and sms messages from OPPO Find 3 X9015

This step-by-step guide will help you back up your contacts from OPPO Find 3 X9015 using PhoneCopy.com. The service works in the background and the whole process takes just a few minutes.
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 contacts are now safely stored in your PhoneCopy account. You can view and manage them online at any time, even if your phone is lost, damaged, or simply out of reach.
Some additional tips:
If the sync does not complete, make sure your phone has a stable internet connection and that background data is enabled for the PhoneCopy app. A brief pause and retry usually resolves the issue.