4G LTE Blank USIM Cards Compatible GSM+WCDMA+4G FDD LTE/GSM+WCDMA+4G TDD LTE, Can be written ICCID, IMSI, KI, OPC, OP, GSM for Telecommunication Operators
(Standard SIM Card-2FF,Micro SIM Card-3FF and Nano SIM Card-4FF, 3 in 1), The SIM Cards are blank and rewritable
Note:The 4.2.11 Ver. software in the U-Disk,it doesn't work for MAC system, it can not read protect data directly, like "KI code"
Please kindly Note: The cards provided professional engineer , Pls be professional,you need have knowledga about sim card, if you don't have, please don't buy it!