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After I disconnected Data Connection, someone or something turns on the connection again. What happen? Is the telephone operator cheating? Or is there a bug in Android or the firmware? My phone credit is at risk. Can someone help me?
UMI Plus E. V3.92_20170605
Android 6.0.1
Kernel 3.18.31 \ rom@umidigi.com # 4 \ Mon Jun 5 11:03:01 CST 2017
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