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I don't like manually entering PIN1 of SIM/UICC everytime I reboot my Android smartphone or switch SIM/UICC between multiple trusted devices. How to auto unlock SIM/UICC on my trusted devices? The case is similar to auto-decryption of external hard disks on trusted devices.

Update:
I don't want to remove security so that one needs to enter PIN on untrusted device.

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  • Turn it off in your device settings? The state seems to be stored on the SIM card, so once disabled it stays so even when putting the card into another device. Where to find the corresponding setting depends on Android version. On my Optimus 4X with 4.0.3 it's in Settings->Security, first item (SIM locking).
    – Izzy
    Commented Jun 6, 2013 at 6:47
  • @Izzy I am asking about auto-unlock on trusted device, not removing the security.
    – iOS
    Commented Jun 6, 2013 at 6:57
  • In that case, it is most likely a duplicate of deactivate PIN-request after airplane mode. But it's a little confusing: what makes a device trusted (and not the condition)?
    – Izzy
    Commented Jun 6, 2013 at 7:07
  • @Izzy Its not a duplicate. In that question, you're okay to enter PIN after power-on. But, I don't want to enter PIN anytime at all on trusted device.
    – iOS
    Commented Jun 6, 2013 at 7:56
  • @Izzy Trusted device means on which you deployed the authority technique of auto unlock. The case is similar to auto-decryption of hard disks on trusted devices.
    – iOS
    Commented Jun 6, 2013 at 7:59

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