Here are the steps that has to be follow in-order to read, copy and also write contacts to one’s iPhone’s SIM card while using SIManager.
Note:Please remember that you must have a Jailbroken device in-order to follow this tutorial.
The first step require you to tap to launch Cydia from your iPhone Springboard and choose Manage from the tabs at the bottom of the screen.
Again tap to select the large Sources button
Tap to select the BeYouriPhone repository from the list of sources. Again select SIManager from the list of packages. Now tap the Install button at the top right of the screen.
Press the Confirm button to begin installation. Press the Return to Cydia button once the installation has completed.
To add a contact to your SIM card you can press the + button at the bottom of the main screen. Navigate through your contacts and select the one you would like to add.
You will notice that the contact has been added to the list and appears on a green background. This means that when you write to the SIM card this contact will be added and when done the contact now appears on a black background similar to the other contacts in your list.
SIManager also allows you to copy all the contacts on your iPhone to the SIM card. Press the Gear icon at the bottom of the screen then press the large Copy iPhone to SIM button. You will be asked to confirm this action. Press the OK button.
You can also use SIManager to empty your SIM card. Press the Gear icon at the bottom of the screen then press the Empty SIM button. Press the OK button to confirm the action.
Notice all the numbers to be deleted have a red background. Press the Write to SIM button to commit the changes.
Once done your list of contacts on the SIM card will be empty.