NX電話帳 is a phonebook app developed by FCNT LIMITED for Android devices. This app is designed to provide users with an easy-to-use and comprehensive phonebook experience. It comes with various features that help users quickly find the contacts they need. The app offers advanced search options, including handwriting search and index search, to make it easier to find the desired contact. It also includes other phone functions such as dialing, call history browsing, and incoming call illumination customization.

One of the most useful features of NX電話帳 is its privacy mode, which provides users with an extra layer of security. The app also supports contact sharing through infrared, Bluetooth, and Android Beam. Users can import and export contacts from the microSD card and SIM card. However, it is important to note that the app does not support NFC and incoming call illumination on some devices.

Overall, NX電話帳 is a well-designed and comprehensive phonebook app for Android users. It is easy to use, provides advanced search options, and supports various import and export methods. However, users should backup their important contacts regularly to avoid losing them in case of accidents or device failures.