DQA
com.samsung.android.dqagent
DQA = Samsung Device Quality Agent. It monitors how the device uses Wi-Fi and has the ability to identify network operator-related data.
Found mention of some packages in the Java code:
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com.samsung.android.app.mobiledoctor
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com.samsung.android.dhr (Device Health Report)
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om.salab.act
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kr.co.avad.diagnostictool (unkown stuff from South Korea)
2 hard-coded URLs:
PRD = https://dc.dqa.samsung.com
STG = https://stg-dc.dqa.samsung.com
PRD = Portable Recording Device, STG = Security Threat Group. 2 terms related to law enforcment.