R-SIM dongle updater is a smart card updater designed by RGKNSE team for R-SIM card exclusively. It supports downloading the newest card unlocking program via rsim5.com official cloud.Once complete downlod, it will support offline program upgrad without computer needed. R-SIM dongle updater comes with two upgraded card slots, one for iPhone5/6/7/8 and another for iPhone 11 PRO MAX/11/X MAX/X.Inserting Sim Card equipped with R-SIM dongle updater and card slot (Original Sim card slot of iphone ) into the updating slot accordingly, connecting USB data cable ( Powerbank or computer USB power supply), shortly press the red upgrading power button, if green light on, it indicates upgrading successfully, while if red light on, it indicates that the card is damaged or the download program is abnormal. R-SIM dongle updater apply for low-energy CPU upgrade chip designed by RGKNSE team.It is with stable performance and customized for R-SIM15/R-SIM14/R-SIM12 card chip. Standard will come with a special power data cable, R-SIM activation card,dongle upgrade PCBA,and beautiful leather package. R-SIM dongle updater is a trustworthy.