Embedded SIM (eSIM or eUICC) is generation of SIM cards.
It is a reprogrammable chip attached to motherboard at the manufacturing stage inside the smartphone, tablet, and other connected objects, serves the same functionality as a removable SIM card. Not only the information on eUICC is rewritable, but also it can be updated over the air (OTA technology). These features make it flexible for OEMs and end customers to select or change service providers without having to replace SIM cards, and for remotely manage multiple mobile network operator subscriptions.

There are other attractive advantages of eUICC comparing to traditional SIM card.

  • 90% Smaller
  • Power Efficiency
  • Re-programmable
  • Interoperability
  • Environmental Robust
  • High Security

Watchdata provides eUICC products adapted to variety application scenarios, along with OTA platform to establish an all-in-one solution.

eSIM ProductConsumer QuadIndustrial QuadAutomotive QuadDFN6
Temperature-25 to + 85°C-40 to + 105°C-40 to + 105°C-25 to + 85°C
Humidity50°C / 90% RH, 1000 hours85°C /90% RH, 1000 hours85°C /90% RH, 1000 hours50°C / 90% RH, 1000 hours
Time of duration10years10years17years10years
Recycle10 Millions10 Millions10 Millions10 Millions