These “Writers” can ONLY insert SMS & Contacts. NOT the ordinarily available SIM Reader/Writer.

** There are Special considerations & Not All SIMs available, can be cloned. The phrase SIM clone is often used to refer to the SIM card that has been successfully duplicated. The secondary card can then be used in a different phone while having all calls and associated charges attributed to the original SIM card. When the cloning is completed, the cloned SIM card’s identifying information is transferred onto a separate, secondary SIM card. SIM cloning is the process in which a legitimate SIM card is duplicated.