New answers tagged unlock
You should be able to just call up your network carrier and they can unlock it. I had the same thing. Just be prepared to wait couple weeks as the carriers say it takes up to 3 weeks to unlock. Or you can use a third party site like http://unlockingofficial.com I used this site couple times and worked great. It still takes a few days to get unlock though.
I've noticed the same thing, but only when there was a notification on the lock screen. I'm chalking it up to that, and not worrying about it. But still interested to learn more if anyone knows anything.
With the iPhone or Android app Checky, you can record when your iPhone or Android Phone was unlocked.
As a proof of concept, I formatted a USB Thumb-drive using a GUID Partition Map and formatted it Mac OS Extended (Journaled) naming it "Encrypted". Then in Finder, I selected the disk named "Encrypted" and control-clicked selecting Encrypt "Encrypted"..., while setting its password to "password". When it was done encrypting, using Terminal, I ascertained ...
Set a passcode on the device. End of problem.
The iPhone is most likely carrier locked and unless you speak Japanese you might be out of luck. As for pricing this will depend on the carrier but have you tried different SIM cards and what country are you in?
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