SIM Manager 2017 is a free Android app developed by tiwullabs. It is a powerful SIM card management tool that provides users with various helpful features. With this tiny tool, you can easily read your SIM card and access all the essential information, including SIM card serial, phone number, and carrier. Moreover, the app enables you to manage your SIM card contacts efficiently. You can view all your contacts stored on the SIM card, create new contacts, modify existing ones, or delete contacts individually or in bulk.

One of the most useful features of SIM Manager 2017 is the ability to import contacts from a file and export them to a file for backup purposes. The app also allows you to search for a specific contact using the search function. Overall, SIM Manager 2017 is an excellent utility and tool app that provides users with comprehensive SIM card management features.