How to backup contacts and sms messages from ZTE A2017g
We used PhoneCopy.com service for this guideline. Using it, your can backup your contacts from your ZTE A2017g easily. The whole backup, including the settings, can be done in several minutes.
Now you have all your contacts backed up on PhoneCopy and you can edit all your contacts in your online account. If you lose your phone or the stored data, or if you just run out of battery, you can see your contacts online.
Some additional tips:
Contacts can be then transferred to another device (eq. iPhone, Nokia, SonyEricsson, Samsung, LG etc). See PhoneCopy site for supported devices.