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in T20 by Q&A Engineer (11.3k points)

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by Q&A Engineer (11.3k points)
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1. The project imports the package

import android.os.Build;

2. Get SN

SN = Build.getSerial();
by Q&A Freshman (132 points)
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This does not work.

Security exception: getSerial: the user does not meet the requirements to access device identifiers.

permissions READ_PHONE_STATE and READ_PRIVILAGED_PHONE_STATE do not allow access to serial number unless the app is a system app or is signed with the same key as the os.
by Q&A Engineer (5.4k points)
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