After successfully installing the module. The first step is to  set up API Key in the settings.

Click the Fetch from NMD menu. 
A pop up wizard will open. Click on the fetch button to fetch data from the API key configured in settings

In the configuration, find master data to see the active and deactivated sims. It includes all field data hence it is master data. 
With the help of search , records can be found using all filters by theirs tags, sim id, icc id, imei, imsi etc

From contacts module add new user or partner. Find the ICC ID field here

After selecting ICC ID, click on the Assign Sim smart button. It will populate the NMD sim info page automatically.
After clicking the Assign Sim button, from here Sim can be activated or deactivated 

With the smart button select 2 ICC ID to fetch and assign Sim info to the partner.
Note: Only 2 Sim can be assigned per user or partner.

This view will display the data for the active sims that are assigned to partners.

After clicking on a record in the Sim Line page , this view will open where the history is shown for the record created, including the timestamp of the record created