연락처 백업

Easy and simple contact backup and restore! Safely extracts the user's contact information and saves it as a file, and helps restore the contacts through the file when changing the device in the future. It works without an internet connection because it does not upload personal information to a cloud server.

Main features:
✔️ Extract contact list to a local file
✔️ Restore contacts through a saved file
✔️ Works without an internet connection because it does not go through a server
✔️ Simple UI, easy for anyone to use

Recommended for:
✔️ People who change smartphones frequently
✔️ People who are anxious about uploading personal information to the cloud
✔️ People who want to easily back up contacts

Note:
✔️ This app uses the [Download] folder in the device's internal storage.
✔️ Files are not transferred externally without the user's direct consent.