There are at least 3 possible points where you have to enter some authentication:
- Only applies to encrypted phones: Encryption password set up by the user.
- SIM PIN to unlock the SIM card to use the mobile network.
- Method to unlock the lock screen set up by the user.
You might remember your SIM PIN, but if you didn’t use the same PIN for unlocking the lock screen, then that doesn’t help you there.
Perhaps there’s something helpful here …
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