Use APKPure App
Get Sim Assistant old version APK for Android
Copy Sim Contacts to Phone and Phone Contacts to Sim !
This App is For the Lazy People Who want to Get things Done in a Click !
This free application enables you copy and export your phone contact(s) to a SIM card. Good for contacts backup. It doesn't support dual sim card phones.
You can also use the app to manage your SIM contacts, e.g. erase/reset sim card in one click.
It doesn't support dual SIM card.