Bootstrap IMSI as default IMSI, optimizing IMSI
in destinations with best network and lowest
cost via binary SMS. Wholely develpped by
JOYTEL, a House-Devleopped eSIM based on
Physical SIM card
Single IMSI SIM
Traditional USIM, including single IMSI, applied in local network or roaming advantage regions.
Trend in IoT Era, integrated with chip & telcom
module, to realize flexbile IMSI switching, low
cost and data security.
USIM with multiple IMSIs, to realize low costs in several regions, applicable in frequent crossborder scenarios.