Powered by an octa-core Exynos 9810 chipset and 8GB of RAM, the Samsung Galaxy Note 9 512GB is a flagship device. The smartphone flaunts a big 6.4-inch WQHD+ display and ships with an iris scanner and a rear-mounted fingerprint reader. The device is equipped with dual 12+12MP rear cameras and an 8MP front-facing shooter. The smartphone is fuelled by a non-removable 4,000mAh battery with support for fast charging.
Method to recover contacts from samsung note 9:
Samsung Data Recovery also can help you recover photos, audio, video, music, recordings, SMS, WhatsApp message, and so on.Meanwhile, it can help you recover deleted/lost data due to accidentally deleted,system upgrades, restore factory settings, or otherwise.

Steps to recover contacts from samsung note 9:
Step 1.Connect Samsung Galaxy note 9 to Computer
Step 2.Open the USB Debugging on Samsung Galaxy note 9
Step 3.Select File Types You want to Recover from samsung ntoe 9
Step 4.Preview and recover Lost Data from Samsung Galaxy note 9
More info;
Recover samsung galaxy note 9 messages