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Devices like

  • Samsung Galaxy Note III Android 4-3
  • Sony Xperia Z Android 4.1.2
  • Samsung Galaxy S4 Android 4.2.2

Supports hot SIM swap( allows sim change without removing battery from phone). I observed that with such SIM change, Android OS doesn't update SIM info instantly or wait for some event on phone such as any network hit, change to Airplane mode and back, or device reboot to update SIM info.

Does anyone knows exact reason why it need some event to update SIM info?? Is their any workaround possible to update SIM info instantly across the OS??

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