it doesn't work for MAC system . please make sure your laptop system . ONLY support windows system!!! Pls kindly Note: The card prodvide professional engineer , Pls be professional,you need have knowledga about sim card, if you don't have, pls don't buy it! one more things, clone sim card does not mean "read then write", it can not read protect data directly, like "KI". KI only can be get by hack,pls be professional make sure you have enough technology. Our device is a reader writer , It support 1) SIM ( 2G/ 3G/4G) 2) Smart Card(SLE4442 ,SLE4428, SLE5528, SLE5542, AT24C02/16/64 , AT88SC...) 3) eID card 4) EMV Bank card Support Windows xp/Win7(32bit&64bit) operations !!! Name: LTE 4G Blank USIM Card SIM Card Size: Standard SIM Card,Micro SIM Card and Nano SIM Card, 3 in 1 Compatible: 4G FDD LTE WCDMA GSM Feature: Can be written ICCID, IMSI, KI, OPC . Application: For Telecommunications Operator capacity: 128k The parcel include : 1 x reader writer device 5 x LTE 4G USIM blank cards 1 x SIM personalize tools ( when u buy this set , we will send link to you download the software) 1 x SIM Card adapter conveter

Please kindly Note: The card prodvide professional engineer , Pls be professional,you need have knowledga about sim card, if you don't have, please don't buy it!. The reader writer support read write SIM Card,Smart card((SLE4442 ,SLE4428, SLE5528, SLE5542, AT24C02/16/64 , AT88SC.,eID card, EMV card. Compatible: 4G FDD LTE WCDMA GSM . Can be written ICCID, IMSI, KI, OPC, OP, GSM for Telecommunications Operator. LTE 4G Blank USIM Card (Standard SIM Card,Micro SIM Card and Nano SIM Card, 3 in 1), The SIM Card in paracel are blank and rewritable. NOTE: It doesn't work for MAC system . it can not read protect data directly, like "KI code".