Turn off Wi-Fi and turn on Mobile Data. Even if you have no internet access, the phone will detect the SIM network framework.
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To help me tailor any further technical steps or suggest specific community exploit tools, what of Android phone are you attempting to unlock? Share public link Turn off Wi-Fi and turn on Mobile Data
: Some external services claim to initiate the unlock process using only your device's IMEI number, which can be found by dialing *#06# . This link or copies made by others cannot be deleted
If the command fails with “remote: oem unlock is not allowed,” the SIM requirement is hard-coded → use Method 2 or 3.