How to backup contacts and sms messages from Samsung Galaxy J3 Duos (SM-J320fn)

Losing your contacts can be frustrating. This guide shows you how to use PhoneCopy.com to keep a safe backup of all data from your Samsung Galaxy J3 Duos (SM-J320fn) — it only takes a few minutes.
Download PhoneCopy for Huawei from Huawei AppGallery to your Huawei phone, which you can download free of charge. After downloading and installation, go through the following steps.
Run the app and create new account. If you already have an account choose "sign on".
To allow correct functionality of PhoneCopy application we will kindly ask you to confirm access permissions for it.
When you confirm access to contacts you can set which "contacts databases" you want to backup.
PhoneCopy allows to back up SMS too.
Then you can set up backup for media (photos and videos).
If you want download photos and videos from old phone (which was synchronized to PhoneCopy.com before) you can choose it in the next step. Then you can synchronize.
You can access all settings later by bottom menu of the application or by main menu. In case you exceed limits for a free account we recommend you to buy Premium
With your contacts safely backed up, you can rest easy knowing your data is secure. Log into your PhoneCopy account at any time to view, edit, or restore your contacts.
Some additional tips:
Contacts can be then transferred to another device (eq. iPhone, Nokia, SonyEricsson, Samsung, LG etc). See PhoneCopy site for supported devices.