Before disabling uninstalling with adb, perform a search using a browser on the phone for F-Droid. Download and install. Then when the app opens, search for Fossify Contacts. (FOSSI is the Free and Open Source Silicon Foundation Foundation.) Install and select it as your default. All contacts will appear. There is also an option in Settings of Contacts to export/import the contacts to a .vcf file to various locations such as the phone, sim or memory card, connected computer, etc. No ads or trackers in the app like most apps in the Google and Samsung Play Stores; the stores themselves have ads and trackers, F-Droid does not.
Do not become dependent on a cloud, Samsung or Google backup service which do not always work. Keep you contacts confidential and safe from searches. F-Droid is just one alternative place for good safe software/apps.
